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authorSchanzenbach, Martin <martin.schanzenbach@aisec.fraunhofer.de>2018-08-13 08:51:19 +0200
committerSchanzenbach, Martin <martin.schanzenbach@aisec.fraunhofer.de>2018-08-13 08:51:19 +0200
commit6371b64774428e83ff83ada88bda354356718aca (patch)
treea2a68aafcf1f6faa8a84648baaf0731da1136346 /src/reclaim
parent6656d6c3e7111075572c042ae714c9710f30273b (diff)
fix build; move rest plugins to separate folder
Diffstat (limited to 'src/reclaim')
-rw-r--r--src/reclaim/Makefile.am33
-rw-r--r--src/reclaim/oidc_helper.c440
-rw-r--r--src/reclaim/oidc_helper.h109
-rw-r--r--src/reclaim/plugin_rest_openid_connect.c2171
-rw-r--r--src/reclaim/plugin_rest_reclaim.c1253
5 files changed, 0 insertions, 4006 deletions
diff --git a/src/reclaim/Makefile.am b/src/reclaim/Makefile.am
index 2ee43d21a..093442181 100644
--- a/src/reclaim/Makefile.am
+++ b/src/reclaim/Makefile.am
@@ -31,8 +31,6 @@ pkgcfg_DATA = \
lib_LTLIBRARIES = \
libgnunetreclaim.la
plugin_LTLIBRARIES = \
- libgnunet_plugin_rest_reclaim.la \
- libgnunet_plugin_rest_openid_connect.la \
libgnunet_plugin_gnsrecord_reclaim.la \
$(SQLITE_PLUGIN)
@@ -88,37 +86,6 @@ libgnunetreclaim_la_LDFLAGS = \
$(GN_LIB_LDFLAGS) $(WINFLAGS) \
-version-info 0:0:0
-libgnunet_plugin_rest_reclaim_la_SOURCES = \
- plugin_rest_reclaim.c
-libgnunet_plugin_rest_reclaim_la_LIBADD = \
- $(top_builddir)/src/identity/libgnunetidentity.la \
- libgnunetreclaim.la \
- $(top_builddir)/src/rest/libgnunetrest.la \
- $(top_builddir)/src/jsonapi/libgnunetjsonapi.la \
- $(top_builddir)/src/reclaim-attribute/libgnunetreclaimattribute.la \
- $(top_builddir)/src/namestore/libgnunetnamestore.la \
- $(top_builddir)/src/util/libgnunetutil.la $(XLIBS) \
- $(LTLIBINTL) -ljansson -lmicrohttpd
-libgnunet_plugin_rest_reclaim_la_LDFLAGS = \
- $(GN_PLUGIN_LDFLAGS)
-
-libgnunet_plugin_rest_openid_connect_la_SOURCES = \
- plugin_rest_openid_connect.c \
- oidc_helper.c
-libgnunet_plugin_rest_openid_connect_la_LIBADD = \
- $(top_builddir)/src/identity/libgnunetidentity.la \
- libgnunetreclaim.la \
- $(top_builddir)/src/rest/libgnunetrest.la \
- $(top_builddir)/src/jsonapi/libgnunetjsonapi.la \
- $(top_builddir)/src/reclaim-attribute/libgnunetreclaimattribute.la \
- $(top_builddir)/src/namestore/libgnunetnamestore.la \
- $(top_builddir)/src/gns/libgnunetgns.la \
- $(top_builddir)/src/gnsrecord/libgnunetgnsrecord.la \
- $(top_builddir)/src/util/libgnunetutil.la $(XLIBS) \
- $(LTLIBINTL) -ljansson -lmicrohttpd
-libgnunet_plugin_rest_openid_connect_la_LDFLAGS = \
- $(GN_PLUGIN_LDFLAGS)
-
gnunet_reclaim_SOURCES = \
gnunet-reclaim.c
gnunet_reclaim_LDADD = \
diff --git a/src/reclaim/oidc_helper.c b/src/reclaim/oidc_helper.c
deleted file mode 100644
index 1e9e64fec..000000000
--- a/src/reclaim/oidc_helper.c
+++ /dev/null
@@ -1,440 +0,0 @@
-/*
- This file is part of GNUnet
- Copyright (C) 2010-2015 GNUnet e.V.
-
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * @file reclaim/oidc_helper.c
- * @brief helper library for OIDC related functions
- * @author Martin Schanzenbach
- */
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_signatures.h"
-#include "gnunet_reclaim_service.h"
-#include "gnunet_reclaim_attribute_lib.h"
-#include <jansson.h>
-#include <inttypes.h>
-#include "oidc_helper.h"
-
-static char*
-create_jwt_header(void)
-{
- json_t *root;
- char *json_str;
-
- root = json_object ();
- json_object_set_new (root, JWT_ALG, json_string (JWT_ALG_VALUE));
- json_object_set_new (root, JWT_TYP, json_string (JWT_TYP_VALUE));
-
- json_str = json_dumps (root, JSON_INDENT(0) | JSON_COMPACT);
- json_decref (root);
- return json_str;
-}
-
-static void
-replace_char(char* str, char find, char replace){
- char *current_pos = strchr(str,find);
- while (current_pos){
- *current_pos = replace;
- current_pos = strchr(current_pos,find);
- }
-}
-
-//RFC4648
-static void
-fix_base64(char* str) {
- char *padding;
- //First, remove trailing padding '='
- padding = strtok(str, "=");
- while (NULL != padding)
- padding = strtok(NULL, "=");
-
- //Replace + with -
- replace_char (str, '+', '-');
-
- //Replace / with _
- replace_char (str, '/', '_');
-
-}
-
-/**
- * Create a JWT from attributes
- *
- * @param aud_key the public of the audience
- * @param sub_key the public key of the subject
- * @param attrs the attribute list
- * @param expiration_time the validity of the token
- * @param secret_key the key used to sign the JWT
- * @return a new base64-encoded JWT string.
- */
-char*
-OIDC_id_token_new (const struct GNUNET_CRYPTO_EcdsaPublicKey *aud_key,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *sub_key,
- const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs,
- const struct GNUNET_TIME_Relative *expiration_time,
- const char *nonce,
- const char *secret_key)
-{
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *le;
- struct GNUNET_HashCode signature;
- struct GNUNET_TIME_Absolute exp_time;
- struct GNUNET_TIME_Absolute time_now;
- char* audience;
- char* subject;
- char* header;
- char* body_str;
- char* result;
- char* header_base64;
- char* body_base64;
- char* signature_target;
- char* signature_base64;
- char* attr_val_str;
- json_t* body;
-
- //iat REQUIRED time now
- time_now = GNUNET_TIME_absolute_get();
- //exp REQUIRED time expired from config
- exp_time = GNUNET_TIME_absolute_add (time_now, *expiration_time);
- //auth_time only if max_age
- //nonce only if nonce
- // OPTIONAL acr,amr,azp
- subject = GNUNET_STRINGS_data_to_string_alloc (sub_key,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
- audience = GNUNET_STRINGS_data_to_string_alloc (aud_key,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
- header = create_jwt_header ();
- body = json_object ();
-
- //iss REQUIRED case sensitive server uri with https
- //The issuer is the local reclaim instance (e.g. https://reclaim.id/api/openid)
- json_object_set_new (body,
- "iss", json_string (SERVER_ADDRESS));
- //sub REQUIRED public key identity, not exceed 255 ASCII length
- json_object_set_new (body,
- "sub", json_string (subject));
- //aud REQUIRED public key client_id must be there
- json_object_set_new (body,
- "aud", json_string (audience));
- //iat
- json_object_set_new (body,
- "iat", json_integer (time_now.abs_value_us / (1000*1000)));
- //exp
- json_object_set_new (body,
- "exp", json_integer (exp_time.abs_value_us / (1000*1000)));
- //nbf
- json_object_set_new (body,
- "nbf", json_integer (time_now.abs_value_us / (1000*1000)));
- //nonce
- if (NULL != nonce)
- json_object_set_new (body,
- "nonce", json_string (nonce));
-
- for (le = attrs->list_head; NULL != le; le = le->next)
- {
- attr_val_str = GNUNET_RECLAIM_ATTRIBUTE_value_to_string (le->claim->type,
- le->claim->data,
- le->claim->data_size);
- json_object_set_new (body,
- le->claim->name,
- json_string (attr_val_str));
- GNUNET_free (attr_val_str);
- }
- body_str = json_dumps (body, JSON_INDENT(0) | JSON_COMPACT);
- json_decref (body);
-
- GNUNET_STRINGS_base64_encode (header,
- strlen (header),
- &header_base64);
- fix_base64(header_base64);
-
- GNUNET_STRINGS_base64_encode (body_str,
- strlen (body_str),
- &body_base64);
- fix_base64(body_base64);
-
- GNUNET_free (subject);
- GNUNET_free (audience);
-
- /**
- * Creating the JWT signature. This might not be
- * standards compliant, check.
- */
- GNUNET_asprintf (&signature_target, "%s.%s", header_base64, body_base64);
- GNUNET_CRYPTO_hmac_raw (secret_key, strlen (secret_key), signature_target, strlen (signature_target), &signature);
- GNUNET_STRINGS_base64_encode ((const char*)&signature,
- sizeof (struct GNUNET_HashCode),
- &signature_base64);
- fix_base64(signature_base64);
-
- GNUNET_asprintf (&result, "%s.%s.%s",
- header_base64, body_base64, signature_base64);
-
- GNUNET_free (signature_target);
- GNUNET_free (header);
- GNUNET_free (body_str);
- GNUNET_free (signature_base64);
- GNUNET_free (body_base64);
- GNUNET_free (header_base64);
- return result;
-}
-/**
- * Builds an OIDC authorization code including
- * a reclaim ticket and nonce
- *
- * @param issuer the issuer of the ticket, used to sign the ticket and nonce
- * @param ticket the ticket to include in the code
- * @param nonce the nonce to include in the code
- * @return a new authorization code (caller must free)
- */
-char*
-OIDC_build_authz_code (const struct GNUNET_CRYPTO_EcdsaPrivateKey *issuer,
- const struct GNUNET_RECLAIM_Ticket *ticket,
- const char* nonce)
-{
- char *ticket_str;
- json_t *code_json;
- char *signature_payload;
- char *signature_str;
- char *authz_code;
- size_t signature_payload_len;
- struct GNUNET_CRYPTO_EcdsaSignature signature;
- struct GNUNET_CRYPTO_EccSignaturePurpose *purpose;
-
- signature_payload_len = sizeof (struct GNUNET_RECLAIM_Ticket);
- if (NULL != nonce)
- signature_payload_len += strlen (nonce);
-
- signature_payload = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose) + signature_payload_len);
- purpose = (struct GNUNET_CRYPTO_EccSignaturePurpose *)signature_payload;
- purpose->size = htonl (sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose) + signature_payload_len);
- purpose->purpose = htonl (GNUNET_SIGNATURE_PURPOSE_RECLAIM_CODE_SIGN);
- memcpy (&purpose[1],
- ticket,
- sizeof (struct GNUNET_RECLAIM_Ticket));
- if (NULL != nonce)
- memcpy (((char*)&purpose[1]) + sizeof (struct GNUNET_RECLAIM_Ticket),
- nonce,
- strlen (nonce));
- if (GNUNET_SYSERR == GNUNET_CRYPTO_ecdsa_sign (issuer,
- purpose,
- &signature))
- {
- GNUNET_free (signature_payload);
- return NULL;
- }
- signature_str = GNUNET_STRINGS_data_to_string_alloc (&signature,
- sizeof (signature));
- ticket_str = GNUNET_STRINGS_data_to_string_alloc (ticket,
- sizeof (struct GNUNET_RECLAIM_Ticket));
-
- code_json = json_object ();
- json_object_set_new (code_json,
- "ticket",
- json_string (ticket_str));
- if (NULL != nonce)
- json_object_set_new (code_json,
- "nonce",
- json_string (nonce));
- json_object_set_new (code_json,
- "signature",
- json_string (signature_str));
- authz_code = json_dumps (code_json,
- JSON_INDENT(0) | JSON_COMPACT);
- GNUNET_free (signature_payload);
- GNUNET_free (signature_str);
- GNUNET_free (ticket_str);
- json_decref (code_json);
- return authz_code;
-}
-
-
-
-
-/**
- * Parse reclaim ticket and nonce from
- * authorization code.
- * This also verifies the signature in the code.
- *
- * @param audience the expected audience of the code
- * @param code the string representation of the code
- * @param ticket where to store the ticket
- * @param nonce where to store the nonce
- * @return GNUNET_OK if successful, else GNUNET_SYSERR
- */
-int
-OIDC_parse_authz_code (const struct GNUNET_CRYPTO_EcdsaPublicKey *audience,
- const char* code,
- struct GNUNET_RECLAIM_Ticket **ticket,
- char **nonce)
-{
- json_error_t error;
- json_t *code_json;
- json_t *ticket_json;
- json_t *nonce_json;
- json_t *signature_json;
- const char *ticket_str;
- const char *signature_str;
- const char *nonce_str;
- char *code_output;
- struct GNUNET_CRYPTO_EccSignaturePurpose *purpose;
- struct GNUNET_CRYPTO_EcdsaSignature signature;
- size_t signature_payload_len;
-
- code_output = NULL;
- GNUNET_STRINGS_base64_decode (code,
- strlen(code),
- (void**)&code_output);
- code_json = json_loads (code_output, 0 , &error);
- GNUNET_free (code_output);
- ticket_json = json_object_get (code_json, "ticket");
- nonce_json = json_object_get (code_json, "nonce");
- signature_json = json_object_get (code_json, "signature");
- *ticket = NULL;
- *nonce = NULL;
-
- if ((NULL == ticket_json || !json_is_string (ticket_json)) ||
- (NULL == signature_json || !json_is_string (signature_json)))
- {
- json_decref (code_json);
- return GNUNET_SYSERR;
- }
- ticket_str = json_string_value (ticket_json);
- signature_str = json_string_value (signature_json);
- nonce_str = NULL;
- if (NULL != nonce_json)
- nonce_str = json_string_value (nonce_json);
- signature_payload_len = sizeof (struct GNUNET_RECLAIM_Ticket);
- if (NULL != nonce_str)
- signature_payload_len += strlen (nonce_str);
- purpose = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose) +
- signature_payload_len);
- purpose->size = htonl (sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose) + signature_payload_len);
- purpose->purpose = htonl (GNUNET_SIGNATURE_PURPOSE_RECLAIM_CODE_SIGN);
- if (GNUNET_OK != GNUNET_STRINGS_string_to_data (ticket_str,
- strlen (ticket_str),
- &purpose[1],
- sizeof (struct GNUNET_RECLAIM_Ticket)))
- {
- GNUNET_free (purpose);
- json_decref (code_json);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot parse ticket!\n");
- return GNUNET_SYSERR;
- }
- if (GNUNET_OK != GNUNET_STRINGS_string_to_data (signature_str,
- strlen (signature_str),
- &signature,
- sizeof (struct GNUNET_CRYPTO_EcdsaSignature)))
- {
- GNUNET_free (purpose);
- json_decref (code_json);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot parse signature!\n");
- return GNUNET_SYSERR;
- }
- *ticket = GNUNET_new (struct GNUNET_RECLAIM_Ticket);
- memcpy (*ticket,
- &purpose[1],
- sizeof (struct GNUNET_RECLAIM_Ticket));
- if (0 != memcmp (audience,
- &(*ticket)->audience,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)))
- {
- GNUNET_free (purpose);
- GNUNET_free (*ticket);
- json_decref (code_json);
- *ticket = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Audience in ticket does not match client!\n");
- return GNUNET_SYSERR;
-
- }
- if (NULL != nonce_str)
- memcpy (((char*)&purpose[1]) + sizeof (struct GNUNET_RECLAIM_Ticket),
- nonce_str,
- strlen (nonce_str));
- if (GNUNET_OK != GNUNET_CRYPTO_ecdsa_verify (GNUNET_SIGNATURE_PURPOSE_RECLAIM_CODE_SIGN,
- purpose,
- &signature,
- &(*ticket)->identity))
- {
- GNUNET_free (purpose);
- GNUNET_free (*ticket);
- json_decref (code_json);
- *ticket = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Signature of authZ code invalid!\n");
- return GNUNET_SYSERR;
- }
- *nonce = GNUNET_strdup (nonce_str);
- return GNUNET_OK;
-}
-
-/**
- * Build a token response for a token request
- * TODO: Maybe we should add the scope here?
- *
- * @param access_token the access token to include
- * @param id_token the id_token to include
- * @param expiration_time the expiration time of the token(s)
- * @param token_response where to store the response
- */
-void
-OIDC_build_token_response (const char *access_token,
- const char *id_token,
- const struct GNUNET_TIME_Relative *expiration_time,
- char **token_response)
-{
- json_t *root_json;
-
- root_json = json_object ();
-
- GNUNET_assert (NULL != access_token);
- GNUNET_assert (NULL != id_token);
- GNUNET_assert (NULL != expiration_time);
- json_object_set_new (root_json,
- "access_token",
- json_string (access_token));
- json_object_set_new (root_json,
- "token_type",
- json_string ("Bearer"));
- json_object_set_new (root_json,
- "expires_in",
- json_integer (expiration_time->rel_value_us / (1000 * 1000)));
- json_object_set_new (root_json,
- "id_token",
- json_string (id_token));
- *token_response = json_dumps (root_json,
- JSON_INDENT(0) | JSON_COMPACT);
- json_decref (root_json);
-}
-
-/**
- * Generate a new access token
- */
-char*
-OIDC_access_token_new ()
-{
- char* access_token_number;
- char* access_token;
- uint64_t random_number;
-
- random_number = GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_NONCE, UINT64_MAX);
- GNUNET_asprintf (&access_token_number, "%" PRIu64, random_number);
- GNUNET_STRINGS_base64_encode(access_token_number,strlen(access_token_number),&access_token);
- return access_token;
-}
diff --git a/src/reclaim/oidc_helper.h b/src/reclaim/oidc_helper.h
deleted file mode 100644
index 7a0f45bf9..000000000
--- a/src/reclaim/oidc_helper.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- This file is part of GNUnet
- Copyright (C) 2010-2015 GNUnet e.V.
-
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * @file reclaim/oidc_helper.h
- * @brief helper library for OIDC related functions
- * @author Martin Schanzenbach
- */
-
-#ifndef JWT_H
-#define JWT_H
-
-#define JWT_ALG "alg"
-
-/* Use 512bit HMAC */
-#define JWT_ALG_VALUE "HS512"
-
-#define JWT_TYP "typ"
-
-#define JWT_TYP_VALUE "jwt"
-
-#define SERVER_ADDRESS "https://reclaim.id"
-
-/**
- * Create a JWT from attributes
- *
- * @param aud_key the public of the audience
- * @param sub_key the public key of the subject
- * @param attrs the attribute list
- * @param expiration_time the validity of the token
- * @param secret_key the key used to sign the JWT
- * @return a new base64-encoded JWT string.
- */
-char*
-OIDC_id_token_new (const struct GNUNET_CRYPTO_EcdsaPublicKey *aud_key,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *sub_key,
- const struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attrs,
- const struct GNUNET_TIME_Relative *expiration_time,
- const char *nonce,
- const char *secret_key);
-
-/**
- * Builds an OIDC authorization code including
- * a reclaim ticket and nonce
- *
- * @param issuer the issuer of the ticket, used to sign the ticket and nonce
- * @param ticket the ticket to include in the code
- * @param nonce the nonce to include in the code
- * @return a new authorization code (caller must free)
- */
-char*
-OIDC_build_authz_code (const struct GNUNET_CRYPTO_EcdsaPrivateKey *issuer,
- const struct GNUNET_RECLAIM_Ticket *ticket,
- const char* nonce);
-
-/**
- * Parse reclaim ticket and nonce from
- * authorization code.
- * This also verifies the signature in the code.
- *
- * @param audience the expected audience of the code
- * @param code the string representation of the code
- * @param ticket where to store the ticket
- * @param nonce where to store the nonce
- * @return GNUNET_OK if successful, else GNUNET_SYSERR
- */
-int
-OIDC_parse_authz_code (const struct GNUNET_CRYPTO_EcdsaPublicKey *audience,
- const char* code,
- struct GNUNET_RECLAIM_Ticket **ticket,
- char **nonce);
-
-/**
- * Build a token response for a token request
- * TODO: Maybe we should add the scope here?
- *
- * @param access_token the access token to include
- * @param id_token the id_token to include
- * @param expiration_time the expiration time of the token(s)
- * @param token_response where to store the response
- */
-void
-OIDC_build_token_response (const char *access_token,
- const char *id_token,
- const struct GNUNET_TIME_Relative *expiration_time,
- char **token_response);
-/**
- * Generate a new access token
- */
-char*
-OIDC_access_token_new ();
-
-
-#endif
diff --git a/src/reclaim/plugin_rest_openid_connect.c b/src/reclaim/plugin_rest_openid_connect.c
deleted file mode 100644
index 24673c692..000000000
--- a/src/reclaim/plugin_rest_openid_connect.c
+++ /dev/null
@@ -1,2171 +0,0 @@
-/*
- This file is part of GNUnet.
- Copyright (C) 2012-2015 GNUnet e.V.
-
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-/**
- * @author Martin Schanzenbach
- * @author Philippe Buschmann
- * @file identity/plugin_rest_openid_connect.c
- * @brief GNUnet Namestore REST plugin
- *
- */
-
-#include "platform.h"
-#include "gnunet_rest_plugin.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_gns_service.h"
-#include "gnunet_gnsrecord_lib.h"
-#include "gnunet_namestore_service.h"
-#include "gnunet_rest_lib.h"
-#include "gnunet_jsonapi_lib.h"
-#include "gnunet_jsonapi_util.h"
-#include "microhttpd.h"
-#include <jansson.h>
-#include <inttypes.h>
-#include "gnunet_signatures.h"
-#include "gnunet_reclaim_attribute_lib.h"
-#include "gnunet_reclaim_service.h"
-#include "oidc_helper.h"
-
-/**
- * REST root namespace
- */
-#define GNUNET_REST_API_NS_OIDC "/openid"
-
-/**
- * Authorize endpoint
- */
-#define GNUNET_REST_API_NS_AUTHORIZE "/openid/authorize"
-
-/**
- * Token endpoint
- */
-#define GNUNET_REST_API_NS_TOKEN "/openid/token"
-
-/**
- * UserInfo endpoint
- */
-#define GNUNET_REST_API_NS_USERINFO "/openid/userinfo"
-
-/**
- * Login namespace
- */
-#define GNUNET_REST_API_NS_LOGIN "/openid/login"
-
-/**
- * Attribute key
- */
-#define GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE "attribute"
-
-/**
- * Ticket key
- */
-#define GNUNET_REST_JSONAPI_IDENTITY_TICKET "ticket"
-
-
-/**
- * Value key
- */
-#define GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE_VALUE "value"
-
-/**
- * State while collecting all egos
- */
-#define ID_REST_STATE_INIT 0
-
-/**
- * Done collecting egos
- */
-#define ID_REST_STATE_POST_INIT 1
-
-/**
- * OIDC grant_type key
- */
-#define OIDC_GRANT_TYPE_KEY "grant_type"
-
-/**
- * OIDC grant_type key
- */
-#define OIDC_GRANT_TYPE_VALUE "authorization_code"
-
-/**
- * OIDC code key
- */
-#define OIDC_CODE_KEY "code"
-
-/**
- * OIDC response_type key
- */
-#define OIDC_RESPONSE_TYPE_KEY "response_type"
-
-/**
- * OIDC client_id key
- */
-#define OIDC_CLIENT_ID_KEY "client_id"
-
-/**
- * OIDC scope key
- */
-#define OIDC_SCOPE_KEY "scope"
-
-/**
- * OIDC redirect_uri key
- */
-#define OIDC_REDIRECT_URI_KEY "redirect_uri"
-
-/**
- * OIDC state key
- */
-#define OIDC_STATE_KEY "state"
-
-/**
- * OIDC nonce key
- */
-#define OIDC_NONCE_KEY "nonce"
-
-/**
- * OIDC cookie header key
- */
-#define OIDC_COOKIE_HEADER_KEY "cookie"
-
-/**
- * OIDC cookie header information key
- */
-#define OIDC_AUTHORIZATION_HEADER_KEY "authorization"
-
-/**
- * OIDC cookie header information key
- */
-#define OIDC_COOKIE_HEADER_INFORMATION_KEY "Identity="
-
-/**
- * OIDC expected response_type while authorizing
- */
-#define OIDC_EXPECTED_AUTHORIZATION_RESPONSE_TYPE "code"
-
-/**
- * OIDC expected scope part while authorizing
- */
-#define OIDC_EXPECTED_AUTHORIZATION_SCOPE "openid"
-
-/**
- * OIDC ignored parameter array
- */
-static char* OIDC_ignored_parameter_array [] =
-{
- "display",
- "prompt",
- "ui_locales",
- "response_mode",
- "id_token_hint",
- "login_hint",
- "acr_values"
-};
-
-/**
- * OIDC authorized identities and times hashmap
- */
-struct GNUNET_CONTAINER_MultiHashMap *OIDC_identity_login_time;
-
-/**
- * OIDC authorized identities and times hashmap
- */
-struct GNUNET_CONTAINER_MultiHashMap *OIDC_identity_grants;
-
-/**
- * OIDC ticket/code use only once
- */
-struct GNUNET_CONTAINER_MultiHashMap *OIDC_ticket_once;
-
-/**
- * OIDC access_token to ticket and ego
- */
-struct GNUNET_CONTAINER_MultiHashMap *OIDC_interpret_access_token;
-
-/**
- * The configuration handle
- */
-const struct GNUNET_CONFIGURATION_Handle *cfg;
-
-/**
- * HTTP methods allows for this plugin
- */
-static char* allow_methods;
-
-/**
- * @brief struct returned by the initialization function of the plugin
- */
-struct Plugin
-{
- const struct GNUNET_CONFIGURATION_Handle *cfg;
-};
-
-/**
- * OIDC needed variables
- */
-struct OIDC_Variables
-{
- /**
- * The RP client public key
- */
- struct GNUNET_CRYPTO_EcdsaPublicKey client_pkey;
-
- /**
- * The OIDC client id of the RP
- */
- char *client_id;
-
- /**
- * The OIDC redirect uri
- */
- char *redirect_uri;
-
- /**
- * The list of oidc scopes
- */
- char *scope;
-
- /**
- * The OIDC state
- */
- char *state;
-
- /**
- * The OIDC nonce
- */
- char *nonce;
-
- /**
- * The OIDC response type
- */
- char *response_type;
-
- /**
- * The identity chosen by the user to login
- */
- char *login_identity;
-
- /**
- * The response JSON
- */
- json_t *response;
-
-};
-
-/**
- * The ego list
- */
-struct EgoEntry
-{
- /**
- * DLL
- */
- struct EgoEntry *next;
-
- /**
- * DLL
- */
- struct EgoEntry *prev;
-
- /**
- * Ego Identifier
- */
- char *identifier;
-
- /**
- * Public key string
- */
- char *keystring;
-
- /**
- * The Ego
- */
- struct GNUNET_IDENTITY_Ego *ego;
-};
-
-
-struct RequestHandle
-{
- /**
- * Ego list
- */
- struct EgoEntry *ego_head;
-
- /**
- * Ego list
- */
- struct EgoEntry *ego_tail;
-
- /**
- * Selected ego
- */
- struct EgoEntry *ego_entry;
-
- /**
- * Pointer to ego private key
- */
- struct GNUNET_CRYPTO_EcdsaPrivateKey priv_key;
-
- /**
- * OIDC variables
- */
- struct OIDC_Variables *oidc;
-
- /**
- * The processing state
- */
- int state;
-
- /**
- * Handle to Identity service.
- */
- struct GNUNET_IDENTITY_Handle *identity_handle;
-
- /**
- * Rest connection
- */
- struct GNUNET_REST_RequestHandle *rest_handle;
-
- /**
- * GNS handle
- */
- struct GNUNET_GNS_Handle *gns_handle;
-
- /**
- * GNS lookup op
- */
- struct GNUNET_GNS_LookupRequest *gns_op;
-
- /**
- * Handle to NAMESTORE
- */
- struct GNUNET_NAMESTORE_Handle *namestore_handle;
-
- /**
- * Iterator for NAMESTORE
- */
- struct GNUNET_NAMESTORE_ZoneIterator *namestore_handle_it;
-
- /**
- * Attribute claim list
- */
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attr_list;
-
- /**
- * IDENTITY Operation
- */
- struct GNUNET_IDENTITY_Operation *op;
-
- /**
- * Identity Provider
- */
- struct GNUNET_RECLAIM_Handle *idp;
-
- /**
- * Idp Operation
- */
- struct GNUNET_RECLAIM_Operation *idp_op;
-
- /**
- * Attribute iterator
- */
- struct GNUNET_RECLAIM_AttributeIterator *attr_it;
-
- /**
- * Ticket iterator
- */
- struct GNUNET_RECLAIM_TicketIterator *ticket_it;
-
- /**
- * A ticket
- */
- struct GNUNET_RECLAIM_Ticket ticket;
-
- /**
- * Desired timeout for the lookup (default is no timeout).
- */
- struct GNUNET_TIME_Relative timeout;
-
- /**
- * ID of a task associated with the resolution process.
- */
- struct GNUNET_SCHEDULER_Task *timeout_task;
-
- /**
- * The plugin result processor
- */
- GNUNET_REST_ResultProcessor proc;
-
- /**
- * The closure of the result processor
- */
- void *proc_cls;
-
- /**
- * The url
- */
- char *url;
-
- /**
- * The tld for redirect
- */
- char *tld;
-
- /**
- * The redirect prefix
- */
- char *redirect_prefix;
-
- /**
- * The redirect suffix
- */
- char *redirect_suffix;
-
- /**
- * Error response message
- */
- char *emsg;
-
- /**
- * Error response description
- */
- char *edesc;
-
- /**
- * Reponse code
- */
- int response_code;
-
- /**
- * Response object
- */
- struct GNUNET_JSONAPI_Document *resp_object;
-
-};
-
-/**
- * Cleanup lookup handle
- * @param handle Handle to clean up
- */
-static void
-cleanup_handle (struct RequestHandle *handle)
-{
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *claim_entry;
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *claim_tmp;
- struct EgoEntry *ego_entry;
- struct EgoEntry *ego_tmp;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Cleaning up\n");
- if (NULL != handle->resp_object)
- GNUNET_JSONAPI_document_delete (handle->resp_object);
- if (NULL != handle->timeout_task)
- GNUNET_SCHEDULER_cancel (handle->timeout_task);
- if (NULL != handle->identity_handle)
- GNUNET_IDENTITY_disconnect (handle->identity_handle);
- if (NULL != handle->attr_it)
- GNUNET_RECLAIM_get_attributes_stop (handle->attr_it);
- if (NULL != handle->ticket_it)
- GNUNET_RECLAIM_ticket_iteration_stop (handle->ticket_it);
- if (NULL != handle->idp)
- GNUNET_RECLAIM_disconnect (handle->idp);
- if (NULL != handle->url)
- GNUNET_free (handle->url);
- if (NULL != handle->tld)
- GNUNET_free (handle->tld);
- if (NULL != handle->redirect_prefix)
- GNUNET_free (handle->redirect_prefix);
- if (NULL != handle->redirect_suffix)
- GNUNET_free (handle->redirect_suffix);
- if (NULL != handle->emsg)
- GNUNET_free (handle->emsg);
- if (NULL != handle->edesc)
- GNUNET_free (handle->edesc);
- if (NULL != handle->gns_op)
- GNUNET_GNS_lookup_cancel (handle->gns_op);
- if (NULL != handle->gns_handle)
- GNUNET_GNS_disconnect (handle->gns_handle);
-
- if (NULL != handle->namestore_handle)
- GNUNET_NAMESTORE_disconnect (handle->namestore_handle);
- if (NULL != handle->oidc)
- {
- if (NULL != handle->oidc->client_id)
- GNUNET_free(handle->oidc->client_id);
- if (NULL != handle->oidc->login_identity)
- GNUNET_free(handle->oidc->login_identity);
- if (NULL != handle->oidc->nonce)
- GNUNET_free(handle->oidc->nonce);
- if (NULL != handle->oidc->redirect_uri)
- GNUNET_free(handle->oidc->redirect_uri);
- if (NULL != handle->oidc->response_type)
- GNUNET_free(handle->oidc->response_type);
- if (NULL != handle->oidc->scope)
- GNUNET_free(handle->oidc->scope);
- if (NULL != handle->oidc->state)
- GNUNET_free(handle->oidc->state);
- if (NULL != handle->oidc->response)
- json_decref(handle->oidc->response);
- GNUNET_free(handle->oidc);
- }
- if ( NULL != handle->attr_list )
- {
- for (claim_entry = handle->attr_list->list_head;
- NULL != claim_entry;)
- {
- claim_tmp = claim_entry;
- claim_entry = claim_entry->next;
- GNUNET_free(claim_tmp->claim);
- GNUNET_free(claim_tmp);
- }
- GNUNET_free (handle->attr_list);
- }
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;)
- {
- ego_tmp = ego_entry;
- ego_entry = ego_entry->next;
- GNUNET_free (ego_tmp->identifier);
- GNUNET_free (ego_tmp->keystring);
- GNUNET_free (ego_tmp);
- }
- if (NULL != handle->attr_it)
- {
- GNUNET_free(handle->attr_it);
- }
- GNUNET_free (handle);
-}
-
-static void
-cleanup_handle_delayed (void *cls)
-{
- cleanup_handle (cls);
-}
-
-
-/**
- * Task run on error, sends error message. Cleans up everything.
- *
- * @param cls the `struct RequestHandle`
- */
-static void
-do_error (void *cls)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- char *json_error;
-
- GNUNET_asprintf (&json_error, "{ \"error\" : \"%s\", \"error_description\" : \"%s\"%s%s%s}",
- handle->emsg,
- (NULL != handle->edesc) ? handle->edesc : "",
- (NULL != handle->oidc->state) ? ", \"state\":\"" : "",
- (NULL != handle->oidc->state) ? handle->oidc->state : "",
- (NULL != handle->oidc->state) ? "\"" : "");
- if ( 0 == handle->response_code )
- {
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- }
- resp = GNUNET_REST_create_response (json_error);
- if (MHD_HTTP_UNAUTHORIZED == handle->response_code)
- {
- MHD_add_response_header(resp, "WWW-Authenticate", "Basic");
- }
- MHD_add_response_header (resp, "Content-Type", "application/json");
- handle->proc (handle->proc_cls, resp, handle->response_code);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
- GNUNET_free (json_error);
-}
-
-
-/**
- * Task run on error in userinfo endpoint, sends error header. Cleans up
- * everything
- *
- * @param cls the `struct RequestHandle`
- */
-static void
-do_userinfo_error (void *cls)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- char *error;
-
- GNUNET_asprintf (&error, "error=\"%s\", error_description=\"%s\"",
- handle->emsg,
- (NULL != handle->edesc) ? handle->edesc : "");
- resp = GNUNET_REST_create_response ("");
- MHD_add_response_header(resp, "WWW-Authenticate", error);
- handle->proc (handle->proc_cls, resp, handle->response_code);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
- GNUNET_free (error);
-}
-
-
-/**
- * Task run on error, sends error message and redirects. Cleans up everything.
- *
- * @param cls the `struct RequestHandle`
- */
-static void
-do_redirect_error (void *cls)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- char* redirect;
- GNUNET_asprintf (&redirect,
- "%s?error=%s&error_description=%s%s%s",
- handle->oidc->redirect_uri, handle->emsg, handle->edesc,
- (NULL != handle->oidc->state) ? "&state=" : "",
- (NULL != handle->oidc->state) ? handle->oidc->state : "");
- resp = GNUNET_REST_create_response ("");
- MHD_add_response_header (resp, "Location", redirect);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_FOUND);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
- GNUNET_free (redirect);
-}
-
-/**
- * Task run on timeout, sends error message. Cleans up everything.
- *
- * @param cls the `struct RequestHandle`
- */
-static void
-do_timeout (void *cls)
-{
- struct RequestHandle *handle = cls;
-
- handle->timeout_task = NULL;
- do_error (handle);
-}
-
-/**
- * Return attributes for claim
- *
- * @param cls the request handle
- */
-static void
-return_userinfo_response (void *cls)
-{
- char* result_str;
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
-
- result_str = json_dumps (handle->oidc->response, 0);
-
- resp = GNUNET_REST_create_response (result_str);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- GNUNET_free (result_str);
- cleanup_handle (handle);
-}
-
-/**
- * Returns base64 encoded string without padding
- *
- * @param string the string to encode
- * @return base64 encoded string
- */
-static char*
-base_64_encode(const char *s)
-{
- char *enc;
- char *tmp;
-
- GNUNET_STRINGS_base64_encode(s, strlen(s), &enc);
- tmp = strrchr (enc, '=');
- *tmp = '\0';
- return enc;
-}
-
-/**
- * Respond to OPTIONS request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-static void
-options_cont (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct MHD_Response *resp;
- struct RequestHandle *handle = cls;
-
- //For now, independent of path return all options
- resp = GNUNET_REST_create_response (NULL);
- MHD_add_response_header (resp,
- "Access-Control-Allow-Methods",
- allow_methods);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- cleanup_handle (handle);
- return;
-}
-
-/**
- * Interprets cookie header and pass its identity keystring to handle
- */
-static void
-cookie_identity_interpretation (struct RequestHandle *handle)
-{
- struct GNUNET_HashCode cache_key;
- char *cookies;
- struct GNUNET_TIME_Absolute current_time, *relog_time;
- char delimiter[] = "; ";
-
- //gets identity of login try with cookie
- GNUNET_CRYPTO_hash (OIDC_COOKIE_HEADER_KEY, strlen (OIDC_COOKIE_HEADER_KEY),
- &cache_key);
- if ( GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->header_param_map,
- &cache_key) )
- {
- //splits cookies and find 'Identity' cookie
- cookies = GNUNET_CONTAINER_multihashmap_get ( handle->rest_handle->header_param_map, &cache_key);
- handle->oidc->login_identity = strtok(cookies, delimiter);
-
- while ( NULL != handle->oidc->login_identity )
- {
- if ( NULL != strstr (handle->oidc->login_identity, OIDC_COOKIE_HEADER_INFORMATION_KEY) )
- {
- break;
- }
- handle->oidc->login_identity = strtok (NULL, delimiter);
- }
- GNUNET_CRYPTO_hash (handle->oidc->login_identity, strlen (handle->oidc->login_identity),
- &cache_key);
- if ( GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains (OIDC_identity_login_time, &cache_key) )
- {
- relog_time = GNUNET_CONTAINER_multihashmap_get (OIDC_identity_login_time,
- &cache_key);
- current_time = GNUNET_TIME_absolute_get ();
- // 30 min after old login -> redirect to login
- if ( current_time.abs_value_us <= relog_time->abs_value_us )
- {
- handle->oidc->login_identity = strtok(handle->oidc->login_identity, OIDC_COOKIE_HEADER_INFORMATION_KEY);
- handle->oidc->login_identity = GNUNET_strdup(handle->oidc->login_identity);
- } else {
- handle->oidc->login_identity = NULL;
- }
- }
- else
- {
- handle->oidc->login_identity = NULL;
- }
- }
-}
-
-/**
- * Redirects to login page stored in configuration file
- */
-static void
-login_redirection(void *cls)
-{
- char *login_base_url;
- char *new_redirect;
- struct MHD_Response *resp;
- struct RequestHandle *handle = cls;
-
- if ( GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_string (cfg, "reclaim-rest-plugin",
- "address", &login_base_url) )
- {
- GNUNET_asprintf (&new_redirect, "%s?%s=%s&%s=%s&%s=%s&%s=%s&%s=%s&%s=%s",
- login_base_url,
- OIDC_RESPONSE_TYPE_KEY,
- handle->oidc->response_type,
- OIDC_CLIENT_ID_KEY,
- handle->oidc->client_id,
- OIDC_REDIRECT_URI_KEY,
- handle->oidc->redirect_uri,
- OIDC_SCOPE_KEY,
- handle->oidc->scope,
- OIDC_STATE_KEY,
- (NULL != handle->oidc->state) ? handle->oidc->state : "",
- OIDC_NONCE_KEY,
- (NULL != handle->oidc->nonce) ? handle->oidc->nonce : "");
- resp = GNUNET_REST_create_response ("");
- MHD_add_response_header (resp, "Location", new_redirect);
- GNUNET_free(login_base_url);
- }
- else
- {
- handle->emsg = GNUNET_strdup("server_error");
- handle->edesc = GNUNET_strdup ("gnunet configuration failed");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- handle->proc (handle->proc_cls, resp, MHD_HTTP_FOUND);
- GNUNET_free(new_redirect);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
-}
-
-/**
- * Does internal server error when iteration failed.
- */
-static void
-oidc_iteration_error (void *cls)
-{
- struct RequestHandle *handle = cls;
- handle->emsg = GNUNET_strdup("INTERNAL_SERVER_ERROR");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
-}
-
-static void
-get_client_name_result (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
- const char *label,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- char *ticket_str;
- char *redirect_uri;
- char *code_json_string;
- char *code_base64_final_string;
-
- ticket_str = GNUNET_STRINGS_data_to_string_alloc (&handle->ticket,
- sizeof (struct GNUNET_RECLAIM_Ticket));
- //TODO change if more attributes are needed (see max_age)
- code_json_string = OIDC_build_authz_code (&handle->priv_key,
- &handle->ticket,
- handle->oidc->nonce);
- code_base64_final_string = base_64_encode(code_json_string);
- GNUNET_asprintf (&redirect_uri, "%s.%s/%s?%s=%s&state=%s",
- handle->redirect_prefix,
- handle->tld,
- handle->redirect_suffix,
- handle->oidc->response_type,
- code_base64_final_string, handle->oidc->state);
- resp = GNUNET_REST_create_response ("");
- MHD_add_response_header (resp, "Location", redirect_uri);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_FOUND);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
- GNUNET_free (redirect_uri);
- GNUNET_free (ticket_str);
- GNUNET_free (code_json_string);
- GNUNET_free (code_base64_final_string);
- return;
-
-}
-
-
-static void
-get_client_name_error (void *cls)
-{
- struct RequestHandle *handle = cls;
-
- handle->emsg = GNUNET_strdup("server_error");
- handle->edesc = GNUNET_strdup("Server cannot generate ticket, no name found for client.");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
-}
-
-
-static void
-lookup_redirect_uri_result (void *cls,
- uint32_t rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct RequestHandle *handle = cls;
- char *tmp;
- char *tmp_key_str;
- char *pos;
- struct GNUNET_CRYPTO_EcdsaPublicKey redirect_zone;
-
- handle->gns_op = NULL;
- if (0 == rd_count)
- {
- handle->emsg = GNUNET_strdup("server_error");
- handle->edesc = GNUNET_strdup("Server cannot generate ticket, redirect uri not found.");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- return;
- }
- for (int i = 0; i < rd_count; i++)
- {
- if (GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_REDIRECT != rd[i].record_type)
- continue;
- if (0 != strcmp (rd[i].data,
- handle->oidc->redirect_uri))
- continue;
- tmp = GNUNET_strdup (rd[i].data);
- pos = strrchr (tmp,
- (unsigned char) '.');
- *pos = '\0';
- handle->redirect_prefix = GNUNET_strdup (tmp);
- tmp_key_str = pos + 1;
- pos = strchr (tmp_key_str,
- (unsigned char) '/');
- *pos = '\0';
- handle->redirect_suffix = GNUNET_strdup (pos + 1);
-
- GNUNET_STRINGS_string_to_data (tmp_key_str,
- strlen (tmp_key_str),
- &redirect_zone,
- sizeof (redirect_zone));
-
- GNUNET_NAMESTORE_zone_to_name (handle->namestore_handle,
- &handle->priv_key,
- &redirect_zone,
- &get_client_name_error,
- handle,
- &get_client_name_result,
- handle);
- GNUNET_free (tmp);
- return;
- }
- handle->emsg = GNUNET_strdup("server_error");
- handle->edesc = GNUNET_strdup("Server cannot generate ticket, redirect uri not found.");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
-}
-
-/**
- * Issues ticket and redirects to relying party with the authorization code as
- * parameter. Otherwise redirects with error
- */
-static void
-oidc_ticket_issue_cb (void* cls,
- const struct GNUNET_RECLAIM_Ticket *ticket)
-{
- struct RequestHandle *handle = cls;
-
- handle->idp_op = NULL;
- handle->ticket = *ticket;
- if (NULL == ticket)
- {
- handle->emsg = GNUNET_strdup("server_error");
- handle->edesc = GNUNET_strdup("Server cannot generate ticket.");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- return;
- }
- handle->gns_op = GNUNET_GNS_lookup (handle->gns_handle,
- "+",
- &handle->oidc->client_pkey,
- GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_REDIRECT,
- GNUNET_GNS_LO_DEFAULT,
- &lookup_redirect_uri_result,
- handle);
-
-}
-
-static void
-oidc_collect_finished_cb (void *cls)
-{
- struct RequestHandle *handle = cls;
- handle->attr_it = NULL;
- handle->ticket_it = NULL;
- if (NULL == handle->attr_list->list_head)
- {
- handle->emsg = GNUNET_strdup("invalid_scope");
- handle->edesc = GNUNET_strdup("The requested scope is not available.");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- return;
- }
- handle->idp_op = GNUNET_RECLAIM_ticket_issue (handle->idp,
- &handle->priv_key,
- &handle->oidc->client_pkey,
- handle->attr_list,
- &oidc_ticket_issue_cb,
- handle);
-}
-
-
-/**
- * Collects all attributes for an ego if in scope parameter
- */
-static void
-oidc_attr_collect (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *identity,
- const struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attr)
-{
- struct RequestHandle *handle = cls;
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *le;
- char* scope_variables;
- char* scope_variable;
- char delimiter[]=" ";
-
- if ( (NULL == attr->name) || (NULL == attr->data) )
- {
- GNUNET_RECLAIM_get_attributes_next (handle->attr_it);
- return;
- }
-
- scope_variables = GNUNET_strdup(handle->oidc->scope);
- scope_variable = strtok (scope_variables, delimiter);
- while (NULL != scope_variable)
- {
- if ( 0 == strcmp (attr->name, scope_variable) )
- {
- break;
- }
- scope_variable = strtok (NULL, delimiter);
- }
- if ( NULL == scope_variable )
- {
- GNUNET_RECLAIM_get_attributes_next (handle->attr_it);
- GNUNET_free(scope_variables);
- return;
- }
- GNUNET_free(scope_variables);
-
- le = GNUNET_new(struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry);
- le->claim = GNUNET_RECLAIM_ATTRIBUTE_claim_new (attr->name, attr->type,
- attr->data, attr->data_size);
- GNUNET_CONTAINER_DLL_insert(handle->attr_list->list_head,
- handle->attr_list->list_tail, le);
- GNUNET_RECLAIM_get_attributes_next (handle->attr_it);
-}
-
-
-/**
- * Checks time and cookie and redirects accordingly
- */
-static void
-login_check (void *cls)
-{
- struct RequestHandle *handle = cls;
- struct GNUNET_TIME_Absolute current_time, *relog_time;
- struct GNUNET_CRYPTO_EcdsaPublicKey pubkey, ego_pkey;
- struct GNUNET_HashCode cache_key;
- char *identity_cookie;
-
- GNUNET_asprintf (&identity_cookie, "Identity=%s", handle->oidc->login_identity);
- GNUNET_CRYPTO_hash (identity_cookie, strlen (identity_cookie), &cache_key);
- GNUNET_free(identity_cookie);
- //No login time for identity -> redirect to login
- if ( GNUNET_YES
- == GNUNET_CONTAINER_multihashmap_contains (OIDC_identity_login_time,
- &cache_key) )
- {
- relog_time = GNUNET_CONTAINER_multihashmap_get (OIDC_identity_login_time,
- &cache_key);
- current_time = GNUNET_TIME_absolute_get ();
- // 30 min after old login -> redirect to login
- if ( current_time.abs_value_us <= relog_time->abs_value_us )
- {
- if ( GNUNET_OK
- != GNUNET_CRYPTO_ecdsa_public_key_from_string (
- handle->oidc->login_identity,
- strlen (handle->oidc->login_identity), &pubkey) )
- {
- handle->emsg = GNUNET_strdup("invalid_cookie");
- handle->edesc = GNUNET_strdup(
- "The cookie of a login identity is not valid");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- return;
- }
- // iterate over egos and compare their public key
- for (handle->ego_entry = handle->ego_head;
- NULL != handle->ego_entry; handle->ego_entry = handle->ego_entry->next)
- {
- GNUNET_IDENTITY_ego_get_public_key (handle->ego_entry->ego, &ego_pkey);
- if ( 0
- == memcmp (&ego_pkey, &pubkey,
- sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey)) )
- {
- handle->priv_key = *GNUNET_IDENTITY_ego_get_private_key (
- handle->ego_entry->ego);
- handle->resp_object = GNUNET_JSONAPI_document_new ();
- handle->idp = GNUNET_RECLAIM_connect (cfg);
- handle->attr_list = GNUNET_new(
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList);
- handle->attr_it = GNUNET_RECLAIM_get_attributes_start (
- handle->idp, &handle->priv_key, &oidc_iteration_error, handle,
- &oidc_attr_collect, handle, &oidc_collect_finished_cb, handle);
- return;
- }
- }
- //handle->emsg = GNUNET_strdup("invalid_cookie");
- //handle->edesc = GNUNET_strdup(
- // "The cookie of the login identity is not valid");
- //GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- GNUNET_SCHEDULER_add_now (&login_redirection,handle);
- return;
- }
- }
-}
-
-/**
- * Iteration over all results finished, build final
- * response.
- *
- * @param cls the `struct RequestHandle`
- */
-static void
-build_authz_response (void *cls)
-{
- struct RequestHandle *handle = cls;
- struct GNUNET_HashCode cache_key;
-
- char *expected_scope;
- char delimiter[]=" ";
- int number_of_ignored_parameter, iterator;
-
-
- // REQUIRED value: redirect_uri
- GNUNET_CRYPTO_hash (OIDC_REDIRECT_URI_KEY, strlen (OIDC_REDIRECT_URI_KEY),
- &cache_key);
- if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->emsg=GNUNET_strdup("invalid_request");
- handle->edesc=GNUNET_strdup("missing parameter redirect_uri");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- handle->oidc->redirect_uri = GNUNET_strdup (GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
- &cache_key));
-
- // REQUIRED value: response_type
- GNUNET_CRYPTO_hash (OIDC_RESPONSE_TYPE_KEY, strlen (OIDC_RESPONSE_TYPE_KEY),
- &cache_key);
- if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->emsg=GNUNET_strdup("invalid_request");
- handle->edesc=GNUNET_strdup("missing parameter response_type");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- return;
- }
- handle->oidc->response_type = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
- &cache_key);
- handle->oidc->response_type = GNUNET_strdup (handle->oidc->response_type);
-
- // REQUIRED value: scope
- GNUNET_CRYPTO_hash (OIDC_SCOPE_KEY, strlen (OIDC_SCOPE_KEY), &cache_key);
- if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->emsg=GNUNET_strdup("invalid_request");
- handle->edesc=GNUNET_strdup("missing parameter scope");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- return;
- }
- handle->oidc->scope = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
- &cache_key);
- handle->oidc->scope = GNUNET_strdup(handle->oidc->scope);
-
- //OPTIONAL value: nonce
- GNUNET_CRYPTO_hash (OIDC_NONCE_KEY, strlen (OIDC_NONCE_KEY), &cache_key);
- if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->oidc->nonce = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
- &cache_key);
- handle->oidc->nonce = GNUNET_strdup (handle->oidc->nonce);
- }
-
- //TODO check other values if needed
- number_of_ignored_parameter = sizeof(OIDC_ignored_parameter_array) / sizeof(char *);
- for( iterator = 0; iterator < number_of_ignored_parameter; iterator++ )
- {
- GNUNET_CRYPTO_hash (OIDC_ignored_parameter_array[iterator],
- strlen(OIDC_ignored_parameter_array[iterator]),
- &cache_key);
- if(GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains(handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->emsg=GNUNET_strdup("access_denied");
- GNUNET_asprintf (&handle->edesc, "Server will not handle parameter: %s",
- OIDC_ignored_parameter_array[iterator]);
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- return;
- }
- }
-
- // Checks if response_type is 'code'
- if( 0 != strcmp( handle->oidc->response_type, OIDC_EXPECTED_AUTHORIZATION_RESPONSE_TYPE ) )
- {
- handle->emsg=GNUNET_strdup("unsupported_response_type");
- handle->edesc=GNUNET_strdup("The authorization server does not support "
- "obtaining this authorization code.");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- return;
- }
-
- // Checks if scope contains 'openid'
- expected_scope = GNUNET_strdup(handle->oidc->scope);
- char* test;
- test = strtok (expected_scope, delimiter);
- while (NULL != test)
- {
- if ( 0 == strcmp (OIDC_EXPECTED_AUTHORIZATION_SCOPE, expected_scope) )
- {
- break;
- }
- test = strtok (NULL, delimiter);
- }
- if (NULL == test)
- {
- handle->emsg = GNUNET_strdup("invalid_scope");
- handle->edesc=GNUNET_strdup("The requested scope is invalid, unknown, or "
- "malformed.");
- GNUNET_SCHEDULER_add_now (&do_redirect_error, handle);
- GNUNET_free(expected_scope);
- return;
- }
-
- GNUNET_free(expected_scope);
-
- if( NULL != handle->oidc->login_identity )
- {
- GNUNET_SCHEDULER_add_now(&login_check,handle);
- return;
- }
-
- GNUNET_SCHEDULER_add_now(&login_redirection,handle);
-}
-
-/**
- * Responds to authorization GET and url-encoded POST request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-static void
-authorize_endpoint (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct GNUNET_HashCode cache_key;
- struct EgoEntry *tmp_ego;
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_key;
- struct GNUNET_CRYPTO_EcdsaPublicKey pkey;
-
- cookie_identity_interpretation(handle);
-
- //RECOMMENDED value: state - REQUIRED for answers
- GNUNET_CRYPTO_hash (OIDC_STATE_KEY, strlen (OIDC_STATE_KEY), &cache_key);
- if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->oidc->state = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
- &cache_key);
- handle->oidc->state = GNUNET_strdup (handle->oidc->state);
- }
-
- // REQUIRED value: client_id
- GNUNET_CRYPTO_hash (OIDC_CLIENT_ID_KEY, strlen (OIDC_CLIENT_ID_KEY),
- &cache_key);
- if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->emsg=GNUNET_strdup("invalid_request");
- handle->edesc=GNUNET_strdup("missing parameter client_id");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- handle->oidc->client_id = GNUNET_strdup (GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
- &cache_key));
-
- if ( GNUNET_OK
- != GNUNET_CRYPTO_ecdsa_public_key_from_string (handle->oidc->client_id,
- strlen (handle->oidc->client_id),
- &handle->oidc->client_pkey) )
- {
- handle->emsg = GNUNET_strdup("unauthorized_client");
- handle->edesc = GNUNET_strdup("The client is not authorized to request an "
- "authorization code using this method.");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
-
- if ( NULL == handle->ego_head )
- {
- handle->emsg = GNUNET_strdup("server_error");
- handle->edesc = GNUNET_strdup ("Egos are missing");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- handle->ego_entry = handle->ego_head;
- handle->priv_key = *GNUNET_IDENTITY_ego_get_private_key (handle->ego_head->ego);
- //If we know this identity, translated the corresponding TLD
- //TODO: We might want to have a reverse lookup functionality for TLDs?
- for (tmp_ego = handle->ego_head; NULL != tmp_ego; tmp_ego = tmp_ego->next)
- {
- priv_key = GNUNET_IDENTITY_ego_get_private_key (tmp_ego->ego);
- GNUNET_CRYPTO_ecdsa_key_get_public (priv_key,
- &pkey);
- if ( 0 == memcmp (&pkey, &handle->oidc->client_pkey,
- sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey)) )
- {
- handle->tld = GNUNET_strdup (tmp_ego->identifier);
- handle->ego_entry = handle->ego_tail;
- }
- }
- GNUNET_SCHEDULER_add_now (&build_authz_response, handle);
-}
-
-/**
- * Combines an identity with a login time and responds OK to login request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-static void
-login_cont (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct MHD_Response *resp = GNUNET_REST_create_response ("");
- struct RequestHandle *handle = cls;
- struct GNUNET_HashCode cache_key;
- struct GNUNET_TIME_Absolute *current_time;
- struct GNUNET_TIME_Absolute *last_time;
- char* cookie;
- json_t *root;
- json_error_t error;
- json_t *identity;
- char term_data[handle->rest_handle->data_size+1];
- term_data[handle->rest_handle->data_size] = '\0';
- GNUNET_memcpy (term_data, handle->rest_handle->data, handle->rest_handle->data_size);
- root = json_loads (term_data, JSON_DECODE_ANY, &error);
- identity = json_object_get (root, "identity");
- if ( json_is_string(identity) )
- {
- GNUNET_asprintf (&cookie, "Identity=%s", json_string_value (identity));
- MHD_add_response_header (resp, "Set-Cookie", cookie);
- MHD_add_response_header (resp, "Access-Control-Allow-Methods", "POST");
- GNUNET_CRYPTO_hash (cookie, strlen (cookie), &cache_key);
-
- current_time = GNUNET_new(struct GNUNET_TIME_Absolute);
- *current_time = GNUNET_TIME_relative_to_absolute (
- GNUNET_TIME_relative_multiply (GNUNET_TIME_relative_get_second_ (),
- 5));
- last_time = GNUNET_CONTAINER_multihashmap_get(OIDC_identity_login_time, &cache_key);
- if (NULL != last_time)
- {
- GNUNET_free(last_time);
- }
- GNUNET_CONTAINER_multihashmap_put (
- OIDC_identity_login_time, &cache_key, current_time,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
-
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- GNUNET_free(cookie);
- }
- else
- {
- handle->proc (handle->proc_cls, resp, MHD_HTTP_BAD_REQUEST);
- }
- json_decref (root);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
- return;
-}
-
-static int
-check_authorization (struct RequestHandle *handle,
- struct GNUNET_CRYPTO_EcdsaPublicKey *cid)
-{
- struct GNUNET_HashCode cache_key;
- char *authorization;
- char *credentials;
- char *basic_authorization;
- char *client_id;
- char *pass;
- char *expected_pass;
- int client_exists = GNUNET_NO;
-
- GNUNET_CRYPTO_hash (OIDC_AUTHORIZATION_HEADER_KEY,
- strlen (OIDC_AUTHORIZATION_HEADER_KEY),
- &cache_key);
- if ( GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->header_param_map,
- &cache_key) )
- {
- handle->emsg=GNUNET_strdup("invalid_client");
- handle->edesc=GNUNET_strdup("missing authorization");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- return GNUNET_SYSERR;
- }
- authorization = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->header_param_map,
- &cache_key);
-
- //split header in "Basic" and [content]
- credentials = strtok (authorization, " ");
- if (0 != strcmp ("Basic", credentials))
- {
- handle->emsg=GNUNET_strdup("invalid_client");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- return GNUNET_SYSERR;
- }
- credentials = strtok(NULL, " ");
- if (NULL == credentials)
- {
- handle->emsg=GNUNET_strdup("invalid_client");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- return GNUNET_SYSERR;
- }
- GNUNET_STRINGS_base64_decode (credentials,
- strlen (credentials),
- (void**)&basic_authorization);
-
- if ( NULL == basic_authorization )
- {
- handle->emsg=GNUNET_strdup("invalid_client");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- return GNUNET_SYSERR;
- }
- client_id = strtok (basic_authorization, ":");
- if ( NULL == client_id )
- {
- GNUNET_free_non_null(basic_authorization);
- handle->emsg=GNUNET_strdup("invalid_client");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- return GNUNET_SYSERR;
- }
- pass = strtok (NULL, ":");
- if (NULL == pass)
- {
- GNUNET_free_non_null(basic_authorization);
- handle->emsg=GNUNET_strdup("invalid_client");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- return GNUNET_SYSERR;
- }
-
- //check client password
- if ( GNUNET_OK
- == GNUNET_CONFIGURATION_get_value_string (cfg, "reclaim-rest-plugin",
- "psw", &expected_pass) )
- {
- if (0 != strcmp (expected_pass, pass))
- {
- GNUNET_free_non_null(basic_authorization);
- GNUNET_free(expected_pass);
- handle->emsg=GNUNET_strdup("invalid_client");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- return GNUNET_SYSERR;
- }
- GNUNET_free(expected_pass);
- }
- else
- {
- GNUNET_free_non_null(basic_authorization);
- handle->emsg = GNUNET_strdup("server_error");
- handle->edesc = GNUNET_strdup ("gnunet configuration failed");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- return GNUNET_SYSERR;
- }
-
- //check client_id
- for (handle->ego_entry = handle->ego_head; NULL != handle->ego_entry->next; )
- {
- if ( 0 == strcmp(handle->ego_entry->keystring, client_id))
- {
- client_exists = GNUNET_YES;
- break;
- }
- handle->ego_entry = handle->ego_entry->next;
- }
- if (GNUNET_NO == client_exists)
- {
- GNUNET_free_non_null(basic_authorization);
- handle->emsg=GNUNET_strdup("invalid_client");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- return GNUNET_SYSERR;
- }
- GNUNET_STRINGS_string_to_data (client_id,
- strlen(client_id),
- cid,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
-
- GNUNET_free (basic_authorization);
- return GNUNET_OK;
-}
-
-static int
-ego_exists (struct RequestHandle *handle,
- struct GNUNET_CRYPTO_EcdsaPublicKey *test_key)
-{
- struct EgoEntry *ego_entry;
- struct GNUNET_CRYPTO_EcdsaPublicKey pub_key;
-
- for (ego_entry = handle->ego_head; NULL != ego_entry; ego_entry = ego_entry->next)
- {
- GNUNET_IDENTITY_ego_get_public_key (ego_entry->ego, &pub_key);
- if (0 == memcmp (&pub_key,
- test_key,
- sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey)))
- {
- break;
- }
- }
- if (NULL == ego_entry)
- return GNUNET_NO;
- return GNUNET_YES;
-}
-
-static void
-store_ticket_reference (const struct RequestHandle *handle,
- const char* access_token,
- const struct GNUNET_RECLAIM_Ticket *ticket,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *cid)
-{
- struct GNUNET_HashCode cache_key;
- char *id_ticket_combination;
- char *ticket_string;
- char *client_id;
-
- GNUNET_CRYPTO_hash(access_token, strlen(access_token), &cache_key);
- client_id = GNUNET_STRINGS_data_to_string_alloc (cid,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
- ticket_string = GNUNET_STRINGS_data_to_string_alloc (ticket,
- sizeof (struct GNUNET_RECLAIM_Ticket));
- GNUNET_asprintf(&id_ticket_combination,
- "%s;%s",
- client_id,
- ticket_string);
- GNUNET_CONTAINER_multihashmap_put(OIDC_interpret_access_token,
- &cache_key,
- id_ticket_combination,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
-
- GNUNET_free (client_id);
- GNUNET_free (ticket_string);
-}
-
-/**
- * Responds to token url-encoded POST request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-static void
-token_endpoint (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct GNUNET_TIME_Relative expiration_time;
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *cl;
- struct GNUNET_RECLAIM_Ticket *ticket;
- struct GNUNET_CRYPTO_EcdsaPublicKey cid;
- struct GNUNET_HashCode cache_key;
- struct MHD_Response *resp;
- char *grant_type;
- char *code;
- char *json_response;
- char *id_token;
- char *access_token;
- char *jwt_secret;
- char *nonce;
- int i = 1;
-
- /*
- * Check Authorization
- */
- if (GNUNET_SYSERR == check_authorization (handle,
- &cid))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "OIDC authorization for token endpoint failed\n");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- /*
- * Check parameter
- */
-
- //TODO Do not allow multiple equal parameter names
- //REQUIRED grant_type
- GNUNET_CRYPTO_hash (OIDC_GRANT_TYPE_KEY, strlen (OIDC_GRANT_TYPE_KEY), &cache_key);
- if (GNUNET_NO ==
- GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->emsg = GNUNET_strdup("invalid_request");
- handle->edesc = GNUNET_strdup("missing parameter grant_type");
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- grant_type = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->url_param_map,
- &cache_key);
-
- //REQUIRED code
- GNUNET_CRYPTO_hash (OIDC_CODE_KEY, strlen (OIDC_CODE_KEY), &cache_key);
- if (GNUNET_NO ==
- GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key))
- {
- handle->emsg = GNUNET_strdup("invalid_request");
- handle->edesc = GNUNET_strdup("missing parameter code");
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- code = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->url_param_map,
- &cache_key);
-
- //REQUIRED redirect_uri
- GNUNET_CRYPTO_hash (OIDC_REDIRECT_URI_KEY, strlen (OIDC_REDIRECT_URI_KEY),
- &cache_key);
- if (GNUNET_NO ==
- GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &cache_key) )
- {
- handle->emsg = GNUNET_strdup("invalid_request");
- handle->edesc = GNUNET_strdup("missing parameter redirect_uri");
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- //Check parameter grant_type == "authorization_code"
- if (0 != strcmp(OIDC_GRANT_TYPE_VALUE, grant_type))
- {
- handle->emsg=GNUNET_strdup("unsupported_grant_type");
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- GNUNET_CRYPTO_hash (code, strlen (code), &cache_key);
- if (GNUNET_SYSERR ==
- GNUNET_CONTAINER_multihashmap_put (OIDC_ticket_once,
- &cache_key,
- &i,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY) )
- {
- handle->emsg = GNUNET_strdup("invalid_request");
- handle->edesc = GNUNET_strdup("Cannot use the same code more than once");
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- //decode code
- if(GNUNET_OK != OIDC_parse_authz_code (&cid,
- code,
- &ticket,
- &nonce))
- {
- handle->emsg = GNUNET_strdup("invalid_request");
- handle->edesc = GNUNET_strdup("invalid code");
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- //create jwt
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_time(cfg,
- "reclaim-rest-plugin",
- "expiration_time",
- &expiration_time))
- {
- handle->emsg = GNUNET_strdup("server_error");
- handle->edesc = GNUNET_strdup ("gnunet configuration failed");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- GNUNET_free(ticket);
- return;
- }
-
-
- //TODO OPTIONAL acr,amr,azp
- if (GNUNET_NO == ego_exists (handle,
- &ticket->audience))
- {
- handle->emsg = GNUNET_strdup("invalid_request");
- handle->edesc = GNUNET_strdup("invalid code...");
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- GNUNET_free(ticket);
- }
- if ( GNUNET_OK
- != GNUNET_CONFIGURATION_get_value_string (cfg, "reclaim-rest-plugin",
- "jwt_secret", &jwt_secret) )
- {
- handle->emsg = GNUNET_strdup("invalid_request");
- handle->edesc = GNUNET_strdup("No signing secret configured!");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- GNUNET_free(ticket);
- return;
- }
- //TODO We should collect the attributes here. cl always empty
- cl = GNUNET_new (struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList);
- id_token = OIDC_id_token_new (&ticket->audience,
- &ticket->identity,
- cl,
- &expiration_time,
- (NULL != nonce) ? nonce : NULL,
- jwt_secret);
- access_token = OIDC_access_token_new ();
- OIDC_build_token_response (access_token,
- id_token,
- &expiration_time,
- &json_response);
-
- store_ticket_reference (handle,
- access_token,
- ticket,
- &cid);
- resp = GNUNET_REST_create_response (json_response);
- MHD_add_response_header (resp, "Cache-Control", "no-store");
- MHD_add_response_header (resp, "Pragma", "no-cache");
- MHD_add_response_header (resp, "Content-Type", "application/json");
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- GNUNET_RECLAIM_ATTRIBUTE_list_destroy(cl);
- GNUNET_free(access_token);
- GNUNET_free(json_response);
- GNUNET_free(ticket);
- GNUNET_free(id_token);
- GNUNET_SCHEDULER_add_now(&cleanup_handle_delayed, handle);
-}
-
-/**
- * Collects claims and stores them in handle
- */
-static void
-consume_ticket (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *identity,
- const struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attr)
-{
- struct RequestHandle *handle = cls;
- char *tmp_value;
- json_t *value;
-
- if (NULL == identity)
- {
- GNUNET_SCHEDULER_add_now (&return_userinfo_response, handle);
- return;
- }
-
- tmp_value = GNUNET_RECLAIM_ATTRIBUTE_value_to_string (attr->type,
- attr->data,
- attr->data_size);
-
- value = json_string (tmp_value);
-
-
- json_object_set_new (handle->oidc->response,
- attr->name,
- value);
- GNUNET_free (tmp_value);
-}
-
-/**
- * Responds to userinfo GET and url-encoded POST request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-static void
-userinfo_endpoint (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url, void *cls)
-{
- //TODO expiration time
- struct RequestHandle *handle = cls;
- char delimiter[] = " ";
- char delimiter_db[] = ";";
- struct GNUNET_HashCode cache_key;
- char *authorization, *authorization_type, *authorization_access_token;
- char *client_ticket, *client, *ticket_str;
- struct GNUNET_RECLAIM_Ticket *ticket;
-
- GNUNET_CRYPTO_hash (OIDC_AUTHORIZATION_HEADER_KEY,
- strlen (OIDC_AUTHORIZATION_HEADER_KEY),
- &cache_key);
- if ( GNUNET_NO
- == GNUNET_CONTAINER_multihashmap_contains (
- handle->rest_handle->header_param_map, &cache_key) )
- {
- handle->emsg = GNUNET_strdup("invalid_token");
- handle->edesc = GNUNET_strdup("No Access Token");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- GNUNET_SCHEDULER_add_now (&do_userinfo_error, handle);
- return;
- }
- authorization = GNUNET_CONTAINER_multihashmap_get (
- handle->rest_handle->header_param_map, &cache_key);
-
- //split header in "Bearer" and access_token
- authorization = GNUNET_strdup(authorization);
- authorization_type = strtok (authorization, delimiter);
- if ( 0 != strcmp ("Bearer", authorization_type) )
- {
- handle->emsg = GNUNET_strdup("invalid_token");
- handle->edesc = GNUNET_strdup("No Access Token");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- GNUNET_SCHEDULER_add_now (&do_userinfo_error, handle);
- GNUNET_free(authorization);
- return;
- }
- authorization_access_token = strtok (NULL, delimiter);
- if ( NULL == authorization_access_token )
- {
- handle->emsg = GNUNET_strdup("invalid_token");
- handle->edesc = GNUNET_strdup("No Access Token");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- GNUNET_SCHEDULER_add_now (&do_userinfo_error, handle);
- GNUNET_free(authorization);
- return;
- }
-
- GNUNET_CRYPTO_hash (authorization_access_token,
- strlen (authorization_access_token),
- &cache_key);
- if ( GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (OIDC_interpret_access_token,
- &cache_key) )
- {
- handle->emsg = GNUNET_strdup("invalid_token");
- handle->edesc = GNUNET_strdup("The Access Token expired");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- GNUNET_SCHEDULER_add_now (&do_userinfo_error, handle);
- GNUNET_free(authorization);
- return;
- }
-
- client_ticket = GNUNET_CONTAINER_multihashmap_get(OIDC_interpret_access_token,
- &cache_key);
- client_ticket = GNUNET_strdup(client_ticket);
- client = strtok(client_ticket,delimiter_db);
- if (NULL == client)
- {
- handle->emsg = GNUNET_strdup("invalid_token");
- handle->edesc = GNUNET_strdup("The Access Token expired");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- GNUNET_SCHEDULER_add_now (&do_userinfo_error, handle);
- GNUNET_free(authorization);
- GNUNET_free(client_ticket);
- return;
- }
- handle->ego_entry = handle->ego_head;
- for(; NULL != handle->ego_entry; handle->ego_entry = handle->ego_entry->next)
- {
- if (0 == strcmp(handle->ego_entry->keystring,client))
- {
- break;
- }
- }
- if (NULL == handle->ego_entry)
- {
- handle->emsg = GNUNET_strdup("invalid_token");
- handle->edesc = GNUNET_strdup("The Access Token expired");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- GNUNET_SCHEDULER_add_now (&do_userinfo_error, handle);
- GNUNET_free(authorization);
- GNUNET_free(client_ticket);
- return;
- }
- ticket_str = strtok(NULL, delimiter_db);
- if (NULL == ticket_str)
- {
- handle->emsg = GNUNET_strdup("invalid_token");
- handle->edesc = GNUNET_strdup("The Access Token expired");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- GNUNET_SCHEDULER_add_now (&do_userinfo_error, handle);
- GNUNET_free(authorization);
- GNUNET_free(client_ticket);
- return;
- }
- ticket = GNUNET_new(struct GNUNET_RECLAIM_Ticket);
- if ( GNUNET_OK
- != GNUNET_STRINGS_string_to_data (ticket_str,
- strlen (ticket_str),
- ticket,
- sizeof(struct GNUNET_RECLAIM_Ticket)))
- {
- handle->emsg = GNUNET_strdup("invalid_token");
- handle->edesc = GNUNET_strdup("The Access Token expired");
- handle->response_code = MHD_HTTP_UNAUTHORIZED;
- GNUNET_SCHEDULER_add_now (&do_userinfo_error, handle);
- GNUNET_free(ticket);
- GNUNET_free(authorization);
- GNUNET_free(client_ticket);
- return;
- }
-
- handle->idp = GNUNET_RECLAIM_connect (cfg);
- handle->oidc->response = json_object();
- json_object_set_new( handle->oidc->response, "sub", json_string( handle->ego_entry->keystring));
- handle->idp_op = GNUNET_RECLAIM_ticket_consume (
- handle->idp,
- GNUNET_IDENTITY_ego_get_private_key (handle->ego_entry->ego),
- ticket,
- consume_ticket,
- handle);
- GNUNET_free(ticket);
- GNUNET_free(authorization);
- GNUNET_free(client_ticket);
-
-}
-
-
-/**
- * Handle rest request
- *
- * @param handle the request handle
- */
-static void
-init_cont (struct RequestHandle *handle)
-{
- struct GNUNET_REST_RequestHandlerError err;
- static const struct GNUNET_REST_RequestHandler handlers[] = {
- {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_AUTHORIZE, &authorize_endpoint},
- {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_AUTHORIZE, &authorize_endpoint}, //url-encoded
- {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_LOGIN, &login_cont},
- {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_TOKEN, &token_endpoint },
- {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_USERINFO, &userinfo_endpoint },
- {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_USERINFO, &userinfo_endpoint },
- {MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_OIDC,
- &options_cont},
- GNUNET_REST_HANDLER_END
- };
-
- if (GNUNET_NO == GNUNET_REST_handle_request (handle->rest_handle,
- handlers,
- &err,
- handle))
- {
- handle->response_code = err.error_code;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- }
-}
-
-/**
- * If listing is enabled, prints information about the egos.
- *
- * This function is initially called for all egos and then again
- * whenever a ego's identifier changes or if it is deleted. At the
- * end of the initial pass over all egos, the function is once called
- * with 'NULL' for 'ego'. That does NOT mean that the callback won't
- * be invoked in the future or that there was an error.
- *
- * When used with 'GNUNET_IDENTITY_create' or 'GNUNET_IDENTITY_get',
- * this function is only called ONCE, and 'NULL' being passed in
- * 'ego' does indicate an error (i.e. name is taken or no default
- * value is known). If 'ego' is non-NULL and if '*ctx'
- * is set in those callbacks, the value WILL be passed to a subsequent
- * call to the identity callback of 'GNUNET_IDENTITY_connect' (if
- * that one was not NULL).
- *
- * When an identity is renamed, this function is called with the
- * (known) ego but the NEW identifier.
- *
- * When an identity is deleted, this function is called with the
- * (known) ego and "NULL" for the 'identifier'. In this case,
- * the 'ego' is henceforth invalid (and the 'ctx' should also be
- * cleaned up).
- *
- * @param cls closure
- * @param ego ego handle
- * @param ctx context for application to store data for this ego
- * (during the lifetime of this process, initially NULL)
- * @param identifier identifier assigned by the user for this ego,
- * NULL if the user just deleted the ego and it
- * must thus no longer be used
- */
-static void
-list_ego (void *cls,
- struct GNUNET_IDENTITY_Ego *ego,
- void **ctx,
- const char *identifier)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct GNUNET_CRYPTO_EcdsaPublicKey pk;
-
- if ((NULL == ego) && (ID_REST_STATE_INIT == handle->state))
- {
- handle->state = ID_REST_STATE_POST_INIT;
- init_cont (handle);
- return;
- }
- if (ID_REST_STATE_INIT == handle->state) {
- ego_entry = GNUNET_new (struct EgoEntry);
- GNUNET_IDENTITY_ego_get_public_key (ego, &pk);
- ego_entry->keystring =
- GNUNET_CRYPTO_ecdsa_public_key_to_string (&pk);
- ego_entry->ego = ego;
- ego_entry->identifier = GNUNET_strdup (identifier);
- GNUNET_CONTAINER_DLL_insert_tail(handle->ego_head,handle->ego_tail, ego_entry);
- return;
- }
- /* Ego renamed or added */
- if (identifier != NULL) {
- for (ego_entry = handle->ego_head; NULL != ego_entry; ego_entry = ego_entry->next) {
- if (ego_entry->ego == ego) {
- /* Rename */
- GNUNET_free (ego_entry->identifier);
- ego_entry->identifier = GNUNET_strdup (identifier);
- break;
- }
- }
- if (NULL == ego_entry) {
- /* Add */
- ego_entry = GNUNET_new (struct EgoEntry);
- GNUNET_IDENTITY_ego_get_public_key (ego, &pk);
- ego_entry->keystring =
- GNUNET_CRYPTO_ecdsa_public_key_to_string (&pk);
- ego_entry->ego = ego;
- ego_entry->identifier = GNUNET_strdup (identifier);
- GNUNET_CONTAINER_DLL_insert_tail(handle->ego_head,handle->ego_tail, ego_entry);
- }
- } else {
- /* Delete */
- for (ego_entry = handle->ego_head; NULL != ego_entry; ego_entry = ego_entry->next) {
- if (ego_entry->ego == ego)
- break;
- }
- if (NULL != ego_entry)
- GNUNET_CONTAINER_DLL_remove(handle->ego_head,handle->ego_tail, ego_entry);
- }
-
-}
-
-static void
-rest_identity_process_request(struct GNUNET_REST_RequestHandle *rest_handle,
- GNUNET_REST_ResultProcessor proc,
- void *proc_cls)
-{
- struct RequestHandle *handle = GNUNET_new (struct RequestHandle);
- handle->oidc = GNUNET_new (struct OIDC_Variables);
- if ( NULL == OIDC_identity_login_time )
- OIDC_identity_login_time = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
- if ( NULL == OIDC_identity_grants )
- OIDC_identity_grants = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
- if ( NULL == OIDC_ticket_once )
- OIDC_ticket_once = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
- if ( NULL == OIDC_interpret_access_token )
- OIDC_interpret_access_token = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
- handle->response_code = 0;
- handle->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
- handle->proc_cls = proc_cls;
- handle->proc = proc;
- handle->state = ID_REST_STATE_INIT;
- handle->rest_handle = rest_handle;
-
- handle->url = GNUNET_strdup (rest_handle->url);
- if (handle->url[strlen (handle->url)-1] == '/')
- handle->url[strlen (handle->url)-1] = '\0';
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connecting...\n");
- handle->identity_handle = GNUNET_IDENTITY_connect (cfg,
- &list_ego,
- handle);
- handle->gns_handle = GNUNET_GNS_connect (cfg);
- handle->namestore_handle = GNUNET_NAMESTORE_connect (cfg);
- handle->timeout_task =
- GNUNET_SCHEDULER_add_delayed (handle->timeout,
- &do_timeout,
- handle);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connected\n");
-}
-
-/**
- * Entry point for the plugin.
- *
- * @param cls Config info
- * @return NULL on error, otherwise the plugin context
- */
-void *
-libgnunet_plugin_rest_openid_connect_init (void *cls)
-{
- static struct Plugin plugin;
- struct GNUNET_REST_Plugin *api;
-
- cfg = cls;
- if (NULL != plugin.cfg)
- return NULL; /* can only initialize once! */
- memset (&plugin, 0, sizeof (struct Plugin));
- plugin.cfg = cfg;
- api = GNUNET_new (struct GNUNET_REST_Plugin);
- api->cls = &plugin;
- api->name = GNUNET_REST_API_NS_OIDC;
- api->process_request = &rest_identity_process_request;
- GNUNET_asprintf (&allow_methods,
- "%s, %s, %s, %s, %s",
- MHD_HTTP_METHOD_GET,
- MHD_HTTP_METHOD_POST,
- MHD_HTTP_METHOD_PUT,
- MHD_HTTP_METHOD_DELETE,
- MHD_HTTP_METHOD_OPTIONS);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- _("Identity Provider REST API initialized\n"));
- return api;
-}
-
-
-/**
- * Exit point from the plugin.
- *
- * @param cls the plugin context (as returned by "init")
- * @return always NULL
- */
-void *
-libgnunet_plugin_rest_openid_connect_done (void *cls)
-{
- struct GNUNET_REST_Plugin *api = cls;
- struct Plugin *plugin = api->cls;
- plugin->cfg = NULL;
-
- struct GNUNET_CONTAINER_MultiHashMapIterator *hashmap_it;
- void *value = NULL;
- hashmap_it = GNUNET_CONTAINER_multihashmap_iterator_create (
- OIDC_identity_login_time);
- while (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_iterator_next (hashmap_it, NULL, value))
- {
- if (NULL != value)
- GNUNET_free(value);
- }
- GNUNET_CONTAINER_multihashmap_destroy(OIDC_identity_login_time);
- hashmap_it = GNUNET_CONTAINER_multihashmap_iterator_create (OIDC_identity_grants);
- while (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_iterator_next (hashmap_it, NULL, value))
- {
- if (NULL != value)
- GNUNET_free(value);
- }
- GNUNET_CONTAINER_multihashmap_destroy(OIDC_identity_grants);
- hashmap_it = GNUNET_CONTAINER_multihashmap_iterator_create (OIDC_ticket_once);
- while (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_iterator_next (hashmap_it, NULL, value))
- {
- if (NULL != value)
- GNUNET_free(value);
- }
- GNUNET_CONTAINER_multihashmap_destroy(OIDC_ticket_once);
- hashmap_it = GNUNET_CONTAINER_multihashmap_iterator_create (OIDC_interpret_access_token);
- while (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_iterator_next (hashmap_it, NULL, value))
- {
- if (NULL != value)
- GNUNET_free(value);
- }
- GNUNET_CONTAINER_multihashmap_destroy(OIDC_interpret_access_token);
- GNUNET_CONTAINER_multihashmap_iterator_destroy(hashmap_it);
- GNUNET_free_non_null (allow_methods);
- GNUNET_free (api);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Identity Provider REST plugin is finished\n");
- return NULL;
-}
-
-/* end of plugin_rest_identity_provider.c */
diff --git a/src/reclaim/plugin_rest_reclaim.c b/src/reclaim/plugin_rest_reclaim.c
deleted file mode 100644
index 38ffc4ddb..000000000
--- a/src/reclaim/plugin_rest_reclaim.c
+++ /dev/null
@@ -1,1253 +0,0 @@
-/*
- This file is part of GNUnet.
- Copyright (C) 2012-2015 GNUnet e.V.
-
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-/**
- * @author Martin Schanzenbach
- * @author Philippe Buschmann
- * @file reclaim/plugin_rest_reclaim.c
- * @brief GNUnet reclaim REST plugin
- *
- */
-
-#include "platform.h"
-#include "gnunet_rest_plugin.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_gns_service.h"
-#include "gnunet_gnsrecord_lib.h"
-#include "gnunet_namestore_service.h"
-#include "gnunet_rest_lib.h"
-#include "gnunet_jsonapi_lib.h"
-#include "gnunet_jsonapi_util.h"
-#include "microhttpd.h"
-#include <jansson.h>
-#include <inttypes.h>
-#include "gnunet_signatures.h"
-#include "gnunet_reclaim_attribute_lib.h"
-#include "gnunet_reclaim_service.h"
-
-/**
- * REST root namespace
- */
-#define GNUNET_REST_API_NS_RECLAIM "/reclaim"
-
-/**
- * Attribute namespace
- */
-#define GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES "/reclaim/attributes"
-
-/**
- * Ticket namespace
- */
-#define GNUNET_REST_API_NS_IDENTITY_TICKETS "/reclaim/tickets"
-
-/**
- * Revoke namespace
- */
-#define GNUNET_REST_API_NS_IDENTITY_REVOKE "/reclaim/revoke"
-
-/**
- * Revoke namespace
- */
-#define GNUNET_REST_API_NS_IDENTITY_CONSUME "/reclaim/consume"
-
-/**
- * Attribute key
- */
-#define GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE "attribute"
-
-/**
- * Ticket key
- */
-#define GNUNET_REST_JSONAPI_IDENTITY_TICKET "ticket"
-
-
-/**
- * Value key
- */
-#define GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE_VALUE "value"
-
-/**
- * State while collecting all egos
- */
-#define ID_REST_STATE_INIT 0
-
-/**
- * Done collecting egos
- */
-#define ID_REST_STATE_POST_INIT 1
-
-/**
- * The configuration handle
- */
-const struct GNUNET_CONFIGURATION_Handle *cfg;
-
-/**
- * HTTP methods allows for this plugin
- */
-static char* allow_methods;
-
-/**
- * @brief struct returned by the initialization function of the plugin
- */
-struct Plugin
-{
- const struct GNUNET_CONFIGURATION_Handle *cfg;
-};
-
-/**
- * The ego list
- */
-struct EgoEntry
-{
- /**
- * DLL
- */
- struct EgoEntry *next;
-
- /**
- * DLL
- */
- struct EgoEntry *prev;
-
- /**
- * Ego Identifier
- */
- char *identifier;
-
- /**
- * Public key string
- */
- char *keystring;
-
- /**
- * The Ego
- */
- struct GNUNET_IDENTITY_Ego *ego;
-};
-
-
-struct RequestHandle
-{
- /**
- * Ego list
- */
- struct EgoEntry *ego_head;
-
- /**
- * Ego list
- */
- struct EgoEntry *ego_tail;
-
- /**
- * Selected ego
- */
- struct EgoEntry *ego_entry;
-
- /**
- * Pointer to ego private key
- */
- struct GNUNET_CRYPTO_EcdsaPrivateKey priv_key;
-
- /**
- * The processing state
- */
- int state;
-
- /**
- * Handle to Identity service.
- */
- struct GNUNET_IDENTITY_Handle *identity_handle;
-
- /**
- * Rest connection
- */
- struct GNUNET_REST_RequestHandle *rest_handle;
-
- /**
- * Handle to NAMESTORE
- */
- struct GNUNET_NAMESTORE_Handle *namestore_handle;
-
- /**
- * Iterator for NAMESTORE
- */
- struct GNUNET_NAMESTORE_ZoneIterator *namestore_handle_it;
-
- /**
- * Attribute claim list
- */
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attr_list;
-
- /**
- * IDENTITY Operation
- */
- struct GNUNET_IDENTITY_Operation *op;
-
- /**
- * Identity Provider
- */
- struct GNUNET_RECLAIM_Handle *idp;
-
- /**
- * Idp Operation
- */
- struct GNUNET_RECLAIM_Operation *idp_op;
-
- /**
- * Attribute iterator
- */
- struct GNUNET_RECLAIM_AttributeIterator *attr_it;
-
- /**
- * Ticket iterator
- */
- struct GNUNET_RECLAIM_TicketIterator *ticket_it;
-
- /**
- * A ticket
- */
- struct GNUNET_RECLAIM_Ticket ticket;
-
- /**
- * Desired timeout for the lookup (default is no timeout).
- */
- struct GNUNET_TIME_Relative timeout;
-
- /**
- * ID of a task associated with the resolution process.
- */
- struct GNUNET_SCHEDULER_Task *timeout_task;
-
- /**
- * The plugin result processor
- */
- GNUNET_REST_ResultProcessor proc;
-
- /**
- * The closure of the result processor
- */
- void *proc_cls;
-
- /**
- * The url
- */
- char *url;
-
- /**
- * Error response message
- */
- char *emsg;
-
- /**
- * Reponse code
- */
- int response_code;
-
- /**
- * Response object
- */
- struct GNUNET_JSONAPI_Document *resp_object;
-
-};
-
-/**
- * Cleanup lookup handle
- * @param handle Handle to clean up
- */
-static void
-cleanup_handle (struct RequestHandle *handle)
-{
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *claim_entry;
- struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *claim_tmp;
- struct EgoEntry *ego_entry;
- struct EgoEntry *ego_tmp;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Cleaning up\n");
- if (NULL != handle->resp_object)
- GNUNET_JSONAPI_document_delete (handle->resp_object);
- if (NULL != handle->timeout_task)
- GNUNET_SCHEDULER_cancel (handle->timeout_task);
- if (NULL != handle->identity_handle)
- GNUNET_IDENTITY_disconnect (handle->identity_handle);
- if (NULL != handle->attr_it)
- GNUNET_RECLAIM_get_attributes_stop (handle->attr_it);
- if (NULL != handle->ticket_it)
- GNUNET_RECLAIM_ticket_iteration_stop (handle->ticket_it);
- if (NULL != handle->idp)
- GNUNET_RECLAIM_disconnect (handle->idp);
- if (NULL != handle->url)
- GNUNET_free (handle->url);
- if (NULL != handle->emsg)
- GNUNET_free (handle->emsg);
- if (NULL != handle->namestore_handle)
- GNUNET_NAMESTORE_disconnect (handle->namestore_handle);
- if ( NULL != handle->attr_list )
- {
- for (claim_entry = handle->attr_list->list_head;
- NULL != claim_entry;)
- {
- claim_tmp = claim_entry;
- claim_entry = claim_entry->next;
- GNUNET_free(claim_tmp->claim);
- GNUNET_free(claim_tmp);
- }
- GNUNET_free (handle->attr_list);
- }
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;)
- {
- ego_tmp = ego_entry;
- ego_entry = ego_entry->next;
- GNUNET_free (ego_tmp->identifier);
- GNUNET_free (ego_tmp->keystring);
- GNUNET_free (ego_tmp);
- }
- if (NULL != handle->attr_it)
- {
- GNUNET_free(handle->attr_it);
- }
- GNUNET_free (handle);
-}
-
-static void
-cleanup_handle_delayed (void *cls)
-{
- cleanup_handle (cls);
-}
-
-
-/**
- * Task run on error, sends error message. Cleans up everything.
- *
- * @param cls the `struct RequestHandle`
- */
-static void
-do_error (void *cls)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- char *json_error;
-
- GNUNET_asprintf (&json_error, "{ \"error\" : \"%s\" }",
- handle->emsg);
- if ( 0 == handle->response_code )
- {
- handle->response_code = MHD_HTTP_BAD_REQUEST;
- }
- resp = GNUNET_REST_create_response (json_error);
- MHD_add_response_header (resp, "Content-Type", "application/json");
- handle->proc (handle->proc_cls, resp, handle->response_code);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
- GNUNET_free (json_error);
-}
-
-
-/**
- * Task run on timeout, sends error message. Cleans up everything.
- *
- * @param cls the `struct RequestHandle`
- */
-static void
-do_timeout (void *cls)
-{
- struct RequestHandle *handle = cls;
-
- handle->timeout_task = NULL;
- do_error (handle);
-}
-
-
-static void
-collect_error_cb (void *cls)
-{
- struct RequestHandle *handle = cls;
-
- do_error (handle);
-}
-
-static void
-finished_cont (void *cls,
- int32_t success,
- const char *emsg)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
-
- resp = GNUNET_REST_create_response (emsg);
- if (GNUNET_OK != success)
- {
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
-}
-
-
-/**
- * Return attributes for identity
- *
- * @param cls the request handle
- */
-static void
-return_response (void *cls)
-{
- char* result_str;
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
-
- GNUNET_JSONAPI_document_serialize (handle->resp_object, &result_str);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
- resp = GNUNET_REST_create_response (result_str);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- GNUNET_free (result_str);
- cleanup_handle (handle);
-}
-
-static void
-collect_finished_cb (void *cls)
-{
- struct RequestHandle *handle = cls;
- //Done
- handle->attr_it = NULL;
- handle->ticket_it = NULL;
- GNUNET_SCHEDULER_add_now (&return_response, handle);
-}
-
-
-/**
- * Collect all attributes for an ego
- *
- */
-static void
-ticket_collect (void *cls,
- const struct GNUNET_RECLAIM_Ticket *ticket)
-{
- struct GNUNET_JSONAPI_Resource *json_resource;
- struct RequestHandle *handle = cls;
- json_t *value;
- char* tmp;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding ticket\n");
- tmp = GNUNET_STRINGS_data_to_string_alloc (&ticket->rnd,
- sizeof (uint64_t));
- json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_IDENTITY_TICKET,
- tmp);
- GNUNET_free (tmp);
- GNUNET_JSONAPI_document_resource_add (handle->resp_object, json_resource);
-
- tmp = GNUNET_STRINGS_data_to_string_alloc (&ticket->identity,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
- value = json_string (tmp);
- GNUNET_JSONAPI_resource_add_attr (json_resource,
- "issuer",
- value);
- GNUNET_free (tmp);
- json_decref (value);
- tmp = GNUNET_STRINGS_data_to_string_alloc (&ticket->audience,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
- value = json_string (tmp);
- GNUNET_JSONAPI_resource_add_attr (json_resource,
- "audience",
- value);
- GNUNET_free (tmp);
- json_decref (value);
- tmp = GNUNET_STRINGS_data_to_string_alloc (&ticket->rnd,
- sizeof (uint64_t));
- value = json_string (tmp);
- GNUNET_JSONAPI_resource_add_attr (json_resource,
- "rnd",
- value);
- GNUNET_free (tmp);
- json_decref (value);
- GNUNET_RECLAIM_ticket_iteration_next (handle->ticket_it);
-}
-
-
-
-/**
- * List tickets for identity request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-static void
-list_tickets_cont (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_key;
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- char *identity;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Getting tickets for %s.\n",
- handle->url);
- if ( strlen (GNUNET_REST_API_NS_IDENTITY_TICKETS) >=
- strlen (handle->url))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No identity given.\n");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- identity = handle->url + strlen (GNUNET_REST_API_NS_IDENTITY_TICKETS) + 1;
-
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;
- ego_entry = ego_entry->next)
- if (0 == strcmp (identity, ego_entry->identifier))
- break;
- handle->resp_object = GNUNET_JSONAPI_document_new ();
-
- if (NULL == ego_entry)
- {
- //Done
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Ego %s not found.\n",
- identity);
- GNUNET_SCHEDULER_add_now (&return_response, handle);
- return;
- }
- priv_key = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
- handle->idp = GNUNET_RECLAIM_connect (cfg);
- handle->ticket_it = GNUNET_RECLAIM_ticket_iteration_start (handle->idp,
- priv_key,
- &collect_error_cb,
- handle,
- &ticket_collect,
- handle,
- &collect_finished_cb,
- handle);
-}
-
-
-static void
-add_attribute_cont (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity_priv;
- const char* identity;
- const char* name_str;
- const char* value_str;
- const char* exp_str;
-
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct MHD_Response *resp;
- struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attribute;
- struct GNUNET_JSONAPI_Document *json_obj;
- struct GNUNET_JSONAPI_Resource *json_res;
- struct GNUNET_TIME_Relative exp;
- char term_data[handle->rest_handle->data_size+1];
- json_t *value_json;
- json_t *data_json;
- json_t *exp_json;
- json_error_t err;
- struct GNUNET_JSON_Specification docspec[] = {
- GNUNET_JSON_spec_jsonapi_document (&json_obj),
- GNUNET_JSON_spec_end()
- };
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding an attribute for %s.\n",
- handle->url);
- if ( strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) >=
- strlen (handle->url))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No identity given.\n");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- identity = handle->url + strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) + 1;
-
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;
- ego_entry = ego_entry->next)
- if (0 == strcmp (identity, ego_entry->identifier))
- break;
-
- if (NULL == ego_entry)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Identity unknown (%s)\n", identity);
- GNUNET_JSONAPI_document_delete (json_obj);
- return;
- }
- identity_priv = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
-
- if (0 >= handle->rest_handle->data_size)
- {
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- term_data[handle->rest_handle->data_size] = '\0';
- GNUNET_memcpy (term_data,
- handle->rest_handle->data,
- handle->rest_handle->data_size);
- data_json = json_loads (term_data,
- JSON_DECODE_ANY,
- &err);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_JSON_parse (data_json, docspec,
- NULL, NULL));
- json_decref (data_json);
- if (NULL == json_obj)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to parse JSONAPI Object from %s\n",
- term_data);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- if (1 != GNUNET_JSONAPI_document_resource_count (json_obj))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot create more than 1 resource! (Got %d)\n",
- GNUNET_JSONAPI_document_resource_count (json_obj));
- GNUNET_JSONAPI_document_delete (json_obj);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- json_res = GNUNET_JSONAPI_document_get_resource (json_obj, 0);
- if (GNUNET_NO == GNUNET_JSONAPI_resource_check_type (json_res,
- GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unsupported JSON data type\n");
- GNUNET_JSONAPI_document_delete (json_obj);
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
- cleanup_handle (handle);
- return;
- }
- name_str = GNUNET_JSONAPI_resource_get_id (json_res);
- exp_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- "exp");
- exp_str = json_string_value (exp_json);
- if (NULL == exp_str) {
- exp = GNUNET_TIME_UNIT_HOURS;
- } else {
- if (GNUNET_OK != GNUNET_STRINGS_fancy_time_to_relative (exp_str,
- &exp)) {
- exp = GNUNET_TIME_UNIT_HOURS;
- }
- }
-
- value_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- "value");
- value_str = json_string_value (value_json);
- attribute = GNUNET_RECLAIM_ATTRIBUTE_claim_new (name_str,
- GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING,
- value_str,
- strlen (value_str) + 1);
- handle->idp = GNUNET_RECLAIM_connect (cfg);
- handle->idp_op = GNUNET_RECLAIM_attribute_store (handle->idp,
- identity_priv,
- attribute,
- &exp,
- &finished_cont,
- handle);
- GNUNET_free (attribute);
- GNUNET_JSONAPI_document_delete (json_obj);
-}
-
-
-
-/**
- * Collect all attributes for an ego
- *
- */
-static void
-attr_collect (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *identity,
- const struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attr)
-{
- struct GNUNET_JSONAPI_Resource *json_resource;
- struct RequestHandle *handle = cls;
- json_t *value;
- char* tmp_value;
-
- if ((NULL == attr->name) || (NULL == attr->data))
- {
- GNUNET_RECLAIM_get_attributes_next (handle->attr_it);
- return;
- }
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding attribute: %s\n",
- attr->name);
- json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE,
- attr->name);
- GNUNET_JSONAPI_document_resource_add (handle->resp_object, json_resource);
-
- tmp_value = GNUNET_RECLAIM_ATTRIBUTE_value_to_string (attr->type,
- attr->data,
- attr->data_size);
-
- value = json_string (tmp_value);
-
- GNUNET_JSONAPI_resource_add_attr (json_resource,
- "value",
- value);
- json_decref (value);
- GNUNET_free(tmp_value);
- GNUNET_RECLAIM_get_attributes_next (handle->attr_it);
-}
-
-
-
-/**
- * List attributes for identity request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-static void
-list_attribute_cont (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_key;
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- char *identity;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Getting attributes for %s.\n",
- handle->url);
- if ( strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) >=
- strlen (handle->url))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No identity given.\n");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- identity = handle->url + strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) + 1;
-
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;
- ego_entry = ego_entry->next)
- if (0 == strcmp (identity, ego_entry->identifier))
- break;
- handle->resp_object = GNUNET_JSONAPI_document_new ();
-
-
- if (NULL == ego_entry)
- {
- //Done
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Ego %s not found.\n",
- identity);
- GNUNET_SCHEDULER_add_now (&return_response, handle);
- return;
- }
- priv_key = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
- handle->idp = GNUNET_RECLAIM_connect (cfg);
- handle->attr_it = GNUNET_RECLAIM_get_attributes_start (handle->idp,
- priv_key,
- &collect_error_cb,
- handle,
- &attr_collect,
- handle,
- &collect_finished_cb,
- handle);
-}
-
-
-static void
-revoke_ticket_cont (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity_priv;
- const char* identity_str;
- const char* audience_str;
- const char* rnd_str;
-
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct MHD_Response *resp;
- struct GNUNET_RECLAIM_Ticket ticket;
- struct GNUNET_JSONAPI_Document *json_obj;
- struct GNUNET_JSONAPI_Resource *json_res;
- struct GNUNET_CRYPTO_EcdsaPublicKey tmp_pk;
- char term_data[handle->rest_handle->data_size+1];
- json_t *rnd_json;
- json_t *identity_json;
- json_t *audience_json;
- json_t *data_json;
- json_error_t err;
- struct GNUNET_JSON_Specification docspec[] = {
- GNUNET_JSON_spec_jsonapi_document (&json_obj),
- GNUNET_JSON_spec_end()
- };
-
- if (0 >= handle->rest_handle->data_size)
- {
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- term_data[handle->rest_handle->data_size] = '\0';
- GNUNET_memcpy (term_data,
- handle->rest_handle->data,
- handle->rest_handle->data_size);
- data_json = json_loads (term_data,
- JSON_DECODE_ANY,
- &err);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_JSON_parse (data_json, docspec,
- NULL, NULL));
- json_decref (data_json);
- if (NULL == json_obj)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to parse JSONAPI Object from %s\n",
- term_data);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- if (1 != GNUNET_JSONAPI_document_resource_count (json_obj))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot create more than 1 resource! (Got %d)\n",
- GNUNET_JSONAPI_document_resource_count (json_obj));
- GNUNET_JSONAPI_document_delete (json_obj);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- json_res = GNUNET_JSONAPI_document_get_resource (json_obj, 0);
- if (GNUNET_NO == GNUNET_JSONAPI_resource_check_type (json_res,
- GNUNET_REST_JSONAPI_IDENTITY_TICKET))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unsupported JSON data type\n");
- GNUNET_JSONAPI_document_delete (json_obj);
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
- cleanup_handle (handle);
- return;
- }
- rnd_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- "rnd");
- identity_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- "issuer");
- audience_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- "audience");
- rnd_str = json_string_value (rnd_json);
- identity_str = json_string_value (identity_json);
- audience_str = json_string_value (audience_json);
-
- GNUNET_STRINGS_string_to_data (rnd_str,
- strlen (rnd_str),
- &ticket.rnd,
- sizeof (uint64_t));
- GNUNET_STRINGS_string_to_data (identity_str,
- strlen (identity_str),
- &ticket.identity,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
- GNUNET_STRINGS_string_to_data (audience_str,
- strlen (audience_str),
- &ticket.audience,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
-
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;
- ego_entry = ego_entry->next)
- {
- GNUNET_IDENTITY_ego_get_public_key (ego_entry->ego,
- &tmp_pk);
- if (0 == memcmp (&ticket.identity,
- &tmp_pk,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)))
- break;
- }
- if (NULL == ego_entry)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Identity unknown (%s)\n", identity_str);
- GNUNET_JSONAPI_document_delete (json_obj);
- return;
- }
- identity_priv = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
-
- handle->idp = GNUNET_RECLAIM_connect (cfg);
- handle->idp_op = GNUNET_RECLAIM_ticket_revoke (handle->idp,
- identity_priv,
- &ticket,
- &finished_cont,
- handle);
- GNUNET_JSONAPI_document_delete (json_obj);
-}
-
-static void
-consume_cont (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPublicKey *identity,
- const struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attr)
-{
- struct RequestHandle *handle = cls;
- struct GNUNET_JSONAPI_Resource *json_resource;
- json_t *value;
-
- if (NULL == identity)
- {
- GNUNET_SCHEDULER_add_now (&return_response, handle);
- return;
- }
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding attribute: %s\n",
- attr->name);
- json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE,
- attr->name);
- GNUNET_JSONAPI_document_resource_add (handle->resp_object, json_resource);
-
- value = json_string (attr->data);
- GNUNET_JSONAPI_resource_add_attr (json_resource,
- "value",
- value);
- json_decref (value);
-}
-
-static void
-consume_ticket_cont (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity_priv;
- const char* identity_str;
- const char* audience_str;
- const char* rnd_str;
-
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct MHD_Response *resp;
- struct GNUNET_RECLAIM_Ticket ticket;
- struct GNUNET_JSONAPI_Document *json_obj;
- struct GNUNET_JSONAPI_Resource *json_res;
- struct GNUNET_CRYPTO_EcdsaPublicKey tmp_pk;
- char term_data[handle->rest_handle->data_size+1];
- json_t *rnd_json;
- json_t *identity_json;
- json_t *audience_json;
- json_t *data_json;
- json_error_t err;
- struct GNUNET_JSON_Specification docspec[] = {
- GNUNET_JSON_spec_jsonapi_document (&json_obj),
- GNUNET_JSON_spec_end()
- };
-
- if (0 >= handle->rest_handle->data_size)
- {
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- term_data[handle->rest_handle->data_size] = '\0';
- GNUNET_memcpy (term_data,
- handle->rest_handle->data,
- handle->rest_handle->data_size);
- data_json = json_loads (term_data,
- JSON_DECODE_ANY,
- &err);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_JSON_parse (data_json, docspec,
- NULL, NULL));
- json_decref (data_json);
- if (NULL == json_obj)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to parse JSONAPI Object from %s\n",
- term_data);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- if (1 != GNUNET_JSONAPI_document_resource_count (json_obj))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot create more than 1 resource! (Got %d)\n",
- GNUNET_JSONAPI_document_resource_count (json_obj));
- GNUNET_JSONAPI_document_delete (json_obj);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- json_res = GNUNET_JSONAPI_document_get_resource (json_obj, 0);
- if (GNUNET_NO == GNUNET_JSONAPI_resource_check_type (json_res,
- GNUNET_REST_JSONAPI_IDENTITY_TICKET))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unsupported JSON data type\n");
- GNUNET_JSONAPI_document_delete (json_obj);
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
- cleanup_handle (handle);
- return;
- }
- rnd_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- "rnd");
- identity_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- "identity");
- audience_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- "audience");
- rnd_str = json_string_value (rnd_json);
- identity_str = json_string_value (identity_json);
- audience_str = json_string_value (audience_json);
-
- GNUNET_STRINGS_string_to_data (rnd_str,
- strlen (rnd_str),
- &ticket.rnd,
- sizeof (uint64_t));
- GNUNET_STRINGS_string_to_data (identity_str,
- strlen (identity_str),
- &ticket.identity,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
- GNUNET_STRINGS_string_to_data (audience_str,
- strlen (audience_str),
- &ticket.audience,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
-
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;
- ego_entry = ego_entry->next)
- {
- GNUNET_IDENTITY_ego_get_public_key (ego_entry->ego,
- &tmp_pk);
- if (0 == memcmp (&ticket.audience,
- &tmp_pk,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)))
- break;
- }
- if (NULL == ego_entry)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Identity unknown (%s)\n", identity_str);
- GNUNET_JSONAPI_document_delete (json_obj);
- return;
- }
- identity_priv = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
- handle->resp_object = GNUNET_JSONAPI_document_new ();
- handle->idp = GNUNET_RECLAIM_connect (cfg);
- handle->idp_op = GNUNET_RECLAIM_ticket_consume (handle->idp,
- identity_priv,
- &ticket,
- &consume_cont,
- handle);
- GNUNET_JSONAPI_document_delete (json_obj);
-}
-
-
-
-/**
- * Respond to OPTIONS request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-static void
-options_cont (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct MHD_Response *resp;
- struct RequestHandle *handle = cls;
-
- //For now, independent of path return all options
- resp = GNUNET_REST_create_response (NULL);
- MHD_add_response_header (resp,
- "Access-Control-Allow-Methods",
- allow_methods);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- cleanup_handle (handle);
- return;
-}
-
-/**
- * Handle rest request
- *
- * @param handle the request handle
- */
-static void
-init_cont (struct RequestHandle *handle)
-{
- struct GNUNET_REST_RequestHandlerError err;
- static const struct GNUNET_REST_RequestHandler handlers[] = {
- {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES, &list_attribute_cont},
- {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES, &add_attribute_cont},
- {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_TICKETS, &list_tickets_cont},
- {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_IDENTITY_REVOKE, &revoke_ticket_cont},
- {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_IDENTITY_CONSUME, &consume_ticket_cont},
- {MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_RECLAIM,
- &options_cont},
- GNUNET_REST_HANDLER_END
- };
-
- if (GNUNET_NO == GNUNET_REST_handle_request (handle->rest_handle,
- handlers,
- &err,
- handle))
- {
- handle->response_code = err.error_code;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- }
-}
-
-/**
- * If listing is enabled, prints information about the egos.
- *
- * This function is initially called for all egos and then again
- * whenever a ego's identifier changes or if it is deleted. At the
- * end of the initial pass over all egos, the function is once called
- * with 'NULL' for 'ego'. That does NOT mean that the callback won't
- * be invoked in the future or that there was an error.
- *
- * When used with 'GNUNET_IDENTITY_create' or 'GNUNET_IDENTITY_get',
- * this function is only called ONCE, and 'NULL' being passed in
- * 'ego' does indicate an error (i.e. name is taken or no default
- * value is known). If 'ego' is non-NULL and if '*ctx'
- * is set in those callbacks, the value WILL be passed to a subsequent
- * call to the identity callback of 'GNUNET_IDENTITY_connect' (if
- * that one was not NULL).
- *
- * When an identity is renamed, this function is called with the
- * (known) ego but the NEW identifier.
- *
- * When an identity is deleted, this function is called with the
- * (known) ego and "NULL" for the 'identifier'. In this case,
- * the 'ego' is henceforth invalid (and the 'ctx' should also be
- * cleaned up).
- *
- * @param cls closure
- * @param ego ego handle
- * @param ctx context for application to store data for this ego
- * (during the lifetime of this process, initially NULL)
- * @param identifier identifier assigned by the user for this ego,
- * NULL if the user just deleted the ego and it
- * must thus no longer be used
- */
-static void
-list_ego (void *cls,
- struct GNUNET_IDENTITY_Ego *ego,
- void **ctx,
- const char *identifier)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct GNUNET_CRYPTO_EcdsaPublicKey pk;
-
- if ((NULL == ego) && (ID_REST_STATE_INIT == handle->state))
- {
- handle->state = ID_REST_STATE_POST_INIT;
- init_cont (handle);
- return;
- }
- if (ID_REST_STATE_INIT == handle->state) {
- ego_entry = GNUNET_new (struct EgoEntry);
- GNUNET_IDENTITY_ego_get_public_key (ego, &pk);
- ego_entry->keystring =
- GNUNET_CRYPTO_ecdsa_public_key_to_string (&pk);
- ego_entry->ego = ego;
- ego_entry->identifier = GNUNET_strdup (identifier);
- GNUNET_CONTAINER_DLL_insert_tail(handle->ego_head,handle->ego_tail, ego_entry);
- }
-
-}
-
-static void
-rest_identity_process_request(struct GNUNET_REST_RequestHandle *rest_handle,
- GNUNET_REST_ResultProcessor proc,
- void *proc_cls)
-{
- struct RequestHandle *handle = GNUNET_new (struct RequestHandle);
- handle->response_code = 0;
- handle->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
- handle->proc_cls = proc_cls;
- handle->proc = proc;
- handle->state = ID_REST_STATE_INIT;
- handle->rest_handle = rest_handle;
-
- handle->url = GNUNET_strdup (rest_handle->url);
- if (handle->url[strlen (handle->url)-1] == '/')
- handle->url[strlen (handle->url)-1] = '\0';
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connecting...\n");
- handle->identity_handle = GNUNET_IDENTITY_connect (cfg,
- &list_ego,
- handle);
- handle->namestore_handle = GNUNET_NAMESTORE_connect (cfg);
- handle->timeout_task =
- GNUNET_SCHEDULER_add_delayed (handle->timeout,
- &do_timeout,
- handle);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connected\n");
-}
-
-/**
- * Entry point for the plugin.
- *
- * @param cls Config info
- * @return NULL on error, otherwise the plugin context
- */
-void *
-libgnunet_plugin_rest_reclaim_init (void *cls)
-{
- static struct Plugin plugin;
- struct GNUNET_REST_Plugin *api;
-
- cfg = cls;
- if (NULL != plugin.cfg)
- return NULL; /* can only initialize once! */
- memset (&plugin, 0, sizeof (struct Plugin));
- plugin.cfg = cfg;
- api = GNUNET_new (struct GNUNET_REST_Plugin);
- api->cls = &plugin;
- api->name = GNUNET_REST_API_NS_RECLAIM;
- api->process_request = &rest_identity_process_request;
- GNUNET_asprintf (&allow_methods,
- "%s, %s, %s, %s, %s",
- MHD_HTTP_METHOD_GET,
- MHD_HTTP_METHOD_POST,
- MHD_HTTP_METHOD_PUT,
- MHD_HTTP_METHOD_DELETE,
- MHD_HTTP_METHOD_OPTIONS);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- _("Identity Provider REST API initialized\n"));
- return api;
-}
-
-
-/**
- * Exit point from the plugin.
- *
- * @param cls the plugin context (as returned by "init")
- * @return always NULL
- */
-void *
-libgnunet_plugin_rest_reclaim_done (void *cls)
-{
- struct GNUNET_REST_Plugin *api = cls;
- struct Plugin *plugin = api->cls;
- plugin->cfg = NULL;
-
- GNUNET_free_non_null (allow_methods);
- GNUNET_free (api);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Identity Provider REST plugin is finished\n");
- return NULL;
-}
-
-/* end of plugin_rest_reclaim.c */