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Diffstat (limited to 'src/reclaim/plugin_rest_reclaim.c')
-rw-r--r-- | src/reclaim/plugin_rest_reclaim.c | 1253 |
1 files changed, 1253 insertions, 0 deletions
diff --git a/src/reclaim/plugin_rest_reclaim.c b/src/reclaim/plugin_rest_reclaim.c new file mode 100644 index 000000000..38ffc4ddb --- /dev/null +++ b/src/reclaim/plugin_rest_reclaim.c | |||
@@ -0,0 +1,1253 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2012-2015 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | */ | ||
18 | /** | ||
19 | * @author Martin Schanzenbach | ||
20 | * @author Philippe Buschmann | ||
21 | * @file reclaim/plugin_rest_reclaim.c | ||
22 | * @brief GNUnet reclaim REST plugin | ||
23 | * | ||
24 | */ | ||
25 | |||
26 | #include "platform.h" | ||
27 | #include "gnunet_rest_plugin.h" | ||
28 | #include "gnunet_identity_service.h" | ||
29 | #include "gnunet_gns_service.h" | ||
30 | #include "gnunet_gnsrecord_lib.h" | ||
31 | #include "gnunet_namestore_service.h" | ||
32 | #include "gnunet_rest_lib.h" | ||
33 | #include "gnunet_jsonapi_lib.h" | ||
34 | #include "gnunet_jsonapi_util.h" | ||
35 | #include "microhttpd.h" | ||
36 | #include <jansson.h> | ||
37 | #include <inttypes.h> | ||
38 | #include "gnunet_signatures.h" | ||
39 | #include "gnunet_reclaim_attribute_lib.h" | ||
40 | #include "gnunet_reclaim_service.h" | ||
41 | |||
42 | /** | ||
43 | * REST root namespace | ||
44 | */ | ||
45 | #define GNUNET_REST_API_NS_RECLAIM "/reclaim" | ||
46 | |||
47 | /** | ||
48 | * Attribute namespace | ||
49 | */ | ||
50 | #define GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES "/reclaim/attributes" | ||
51 | |||
52 | /** | ||
53 | * Ticket namespace | ||
54 | */ | ||
55 | #define GNUNET_REST_API_NS_IDENTITY_TICKETS "/reclaim/tickets" | ||
56 | |||
57 | /** | ||
58 | * Revoke namespace | ||
59 | */ | ||
60 | #define GNUNET_REST_API_NS_IDENTITY_REVOKE "/reclaim/revoke" | ||
61 | |||
62 | /** | ||
63 | * Revoke namespace | ||
64 | */ | ||
65 | #define GNUNET_REST_API_NS_IDENTITY_CONSUME "/reclaim/consume" | ||
66 | |||
67 | /** | ||
68 | * Attribute key | ||
69 | */ | ||
70 | #define GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE "attribute" | ||
71 | |||
72 | /** | ||
73 | * Ticket key | ||
74 | */ | ||
75 | #define GNUNET_REST_JSONAPI_IDENTITY_TICKET "ticket" | ||
76 | |||
77 | |||
78 | /** | ||
79 | * Value key | ||
80 | */ | ||
81 | #define GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE_VALUE "value" | ||
82 | |||
83 | /** | ||
84 | * State while collecting all egos | ||
85 | */ | ||
86 | #define ID_REST_STATE_INIT 0 | ||
87 | |||
88 | /** | ||
89 | * Done collecting egos | ||
90 | */ | ||
91 | #define ID_REST_STATE_POST_INIT 1 | ||
92 | |||
93 | /** | ||
94 | * The configuration handle | ||
95 | */ | ||
96 | const struct GNUNET_CONFIGURATION_Handle *cfg; | ||
97 | |||
98 | /** | ||
99 | * HTTP methods allows for this plugin | ||
100 | */ | ||
101 | static char* allow_methods; | ||
102 | |||
103 | /** | ||
104 | * @brief struct returned by the initialization function of the plugin | ||
105 | */ | ||
106 | struct Plugin | ||
107 | { | ||
108 | const struct GNUNET_CONFIGURATION_Handle *cfg; | ||
109 | }; | ||
110 | |||
111 | /** | ||
112 | * The ego list | ||
113 | */ | ||
114 | struct EgoEntry | ||
115 | { | ||
116 | /** | ||
117 | * DLL | ||
118 | */ | ||
119 | struct EgoEntry *next; | ||
120 | |||
121 | /** | ||
122 | * DLL | ||
123 | */ | ||
124 | struct EgoEntry *prev; | ||
125 | |||
126 | /** | ||
127 | * Ego Identifier | ||
128 | */ | ||
129 | char *identifier; | ||
130 | |||
131 | /** | ||
132 | * Public key string | ||
133 | */ | ||
134 | char *keystring; | ||
135 | |||
136 | /** | ||
137 | * The Ego | ||
138 | */ | ||
139 | struct GNUNET_IDENTITY_Ego *ego; | ||
140 | }; | ||
141 | |||
142 | |||
143 | struct RequestHandle | ||
144 | { | ||
145 | /** | ||
146 | * Ego list | ||
147 | */ | ||
148 | struct EgoEntry *ego_head; | ||
149 | |||
150 | /** | ||
151 | * Ego list | ||
152 | */ | ||
153 | struct EgoEntry *ego_tail; | ||
154 | |||
155 | /** | ||
156 | * Selected ego | ||
157 | */ | ||
158 | struct EgoEntry *ego_entry; | ||
159 | |||
160 | /** | ||
161 | * Pointer to ego private key | ||
162 | */ | ||
163 | struct GNUNET_CRYPTO_EcdsaPrivateKey priv_key; | ||
164 | |||
165 | /** | ||
166 | * The processing state | ||
167 | */ | ||
168 | int state; | ||
169 | |||
170 | /** | ||
171 | * Handle to Identity service. | ||
172 | */ | ||
173 | struct GNUNET_IDENTITY_Handle *identity_handle; | ||
174 | |||
175 | /** | ||
176 | * Rest connection | ||
177 | */ | ||
178 | struct GNUNET_REST_RequestHandle *rest_handle; | ||
179 | |||
180 | /** | ||
181 | * Handle to NAMESTORE | ||
182 | */ | ||
183 | struct GNUNET_NAMESTORE_Handle *namestore_handle; | ||
184 | |||
185 | /** | ||
186 | * Iterator for NAMESTORE | ||
187 | */ | ||
188 | struct GNUNET_NAMESTORE_ZoneIterator *namestore_handle_it; | ||
189 | |||
190 | /** | ||
191 | * Attribute claim list | ||
192 | */ | ||
193 | struct GNUNET_RECLAIM_ATTRIBUTE_ClaimList *attr_list; | ||
194 | |||
195 | /** | ||
196 | * IDENTITY Operation | ||
197 | */ | ||
198 | struct GNUNET_IDENTITY_Operation *op; | ||
199 | |||
200 | /** | ||
201 | * Identity Provider | ||
202 | */ | ||
203 | struct GNUNET_RECLAIM_Handle *idp; | ||
204 | |||
205 | /** | ||
206 | * Idp Operation | ||
207 | */ | ||
208 | struct GNUNET_RECLAIM_Operation *idp_op; | ||
209 | |||
210 | /** | ||
211 | * Attribute iterator | ||
212 | */ | ||
213 | struct GNUNET_RECLAIM_AttributeIterator *attr_it; | ||
214 | |||
215 | /** | ||
216 | * Ticket iterator | ||
217 | */ | ||
218 | struct GNUNET_RECLAIM_TicketIterator *ticket_it; | ||
219 | |||
220 | /** | ||
221 | * A ticket | ||
222 | */ | ||
223 | struct GNUNET_RECLAIM_Ticket ticket; | ||
224 | |||
225 | /** | ||
226 | * Desired timeout for the lookup (default is no timeout). | ||
227 | */ | ||
228 | struct GNUNET_TIME_Relative timeout; | ||
229 | |||
230 | /** | ||
231 | * ID of a task associated with the resolution process. | ||
232 | */ | ||
233 | struct GNUNET_SCHEDULER_Task *timeout_task; | ||
234 | |||
235 | /** | ||
236 | * The plugin result processor | ||
237 | */ | ||
238 | GNUNET_REST_ResultProcessor proc; | ||
239 | |||
240 | /** | ||
241 | * The closure of the result processor | ||
242 | */ | ||
243 | void *proc_cls; | ||
244 | |||
245 | /** | ||
246 | * The url | ||
247 | */ | ||
248 | char *url; | ||
249 | |||
250 | /** | ||
251 | * Error response message | ||
252 | */ | ||
253 | char *emsg; | ||
254 | |||
255 | /** | ||
256 | * Reponse code | ||
257 | */ | ||
258 | int response_code; | ||
259 | |||
260 | /** | ||
261 | * Response object | ||
262 | */ | ||
263 | struct GNUNET_JSONAPI_Document *resp_object; | ||
264 | |||
265 | }; | ||
266 | |||
267 | /** | ||
268 | * Cleanup lookup handle | ||
269 | * @param handle Handle to clean up | ||
270 | */ | ||
271 | static void | ||
272 | cleanup_handle (struct RequestHandle *handle) | ||
273 | { | ||
274 | struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *claim_entry; | ||
275 | struct GNUNET_RECLAIM_ATTRIBUTE_ClaimListEntry *claim_tmp; | ||
276 | struct EgoEntry *ego_entry; | ||
277 | struct EgoEntry *ego_tmp; | ||
278 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
279 | "Cleaning up\n"); | ||
280 | if (NULL != handle->resp_object) | ||
281 | GNUNET_JSONAPI_document_delete (handle->resp_object); | ||
282 | if (NULL != handle->timeout_task) | ||
283 | GNUNET_SCHEDULER_cancel (handle->timeout_task); | ||
284 | if (NULL != handle->identity_handle) | ||
285 | GNUNET_IDENTITY_disconnect (handle->identity_handle); | ||
286 | if (NULL != handle->attr_it) | ||
287 | GNUNET_RECLAIM_get_attributes_stop (handle->attr_it); | ||
288 | if (NULL != handle->ticket_it) | ||
289 | GNUNET_RECLAIM_ticket_iteration_stop (handle->ticket_it); | ||
290 | if (NULL != handle->idp) | ||
291 | GNUNET_RECLAIM_disconnect (handle->idp); | ||
292 | if (NULL != handle->url) | ||
293 | GNUNET_free (handle->url); | ||
294 | if (NULL != handle->emsg) | ||
295 | GNUNET_free (handle->emsg); | ||
296 | if (NULL != handle->namestore_handle) | ||
297 | GNUNET_NAMESTORE_disconnect (handle->namestore_handle); | ||
298 | if ( NULL != handle->attr_list ) | ||
299 | { | ||
300 | for (claim_entry = handle->attr_list->list_head; | ||
301 | NULL != claim_entry;) | ||
302 | { | ||
303 | claim_tmp = claim_entry; | ||
304 | claim_entry = claim_entry->next; | ||
305 | GNUNET_free(claim_tmp->claim); | ||
306 | GNUNET_free(claim_tmp); | ||
307 | } | ||
308 | GNUNET_free (handle->attr_list); | ||
309 | } | ||
310 | for (ego_entry = handle->ego_head; | ||
311 | NULL != ego_entry;) | ||
312 | { | ||
313 | ego_tmp = ego_entry; | ||
314 | ego_entry = ego_entry->next; | ||
315 | GNUNET_free (ego_tmp->identifier); | ||
316 | GNUNET_free (ego_tmp->keystring); | ||
317 | GNUNET_free (ego_tmp); | ||
318 | } | ||
319 | if (NULL != handle->attr_it) | ||
320 | { | ||
321 | GNUNET_free(handle->attr_it); | ||
322 | } | ||
323 | GNUNET_free (handle); | ||
324 | } | ||
325 | |||
326 | static void | ||
327 | cleanup_handle_delayed (void *cls) | ||
328 | { | ||
329 | cleanup_handle (cls); | ||
330 | } | ||
331 | |||
332 | |||
333 | /** | ||
334 | * Task run on error, sends error message. Cleans up everything. | ||
335 | * | ||
336 | * @param cls the `struct RequestHandle` | ||
337 | */ | ||
338 | static void | ||
339 | do_error (void *cls) | ||
340 | { | ||
341 | struct RequestHandle *handle = cls; | ||
342 | struct MHD_Response *resp; | ||
343 | char *json_error; | ||
344 | |||
345 | GNUNET_asprintf (&json_error, "{ \"error\" : \"%s\" }", | ||
346 | handle->emsg); | ||
347 | if ( 0 == handle->response_code ) | ||
348 | { | ||
349 | handle->response_code = MHD_HTTP_BAD_REQUEST; | ||
350 | } | ||
351 | resp = GNUNET_REST_create_response (json_error); | ||
352 | MHD_add_response_header (resp, "Content-Type", "application/json"); | ||
353 | handle->proc (handle->proc_cls, resp, handle->response_code); | ||
354 | GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle); | ||
355 | GNUNET_free (json_error); | ||
356 | } | ||
357 | |||
358 | |||
359 | /** | ||
360 | * Task run on timeout, sends error message. Cleans up everything. | ||
361 | * | ||
362 | * @param cls the `struct RequestHandle` | ||
363 | */ | ||
364 | static void | ||
365 | do_timeout (void *cls) | ||
366 | { | ||
367 | struct RequestHandle *handle = cls; | ||
368 | |||
369 | handle->timeout_task = NULL; | ||
370 | do_error (handle); | ||
371 | } | ||
372 | |||
373 | |||
374 | static void | ||
375 | collect_error_cb (void *cls) | ||
376 | { | ||
377 | struct RequestHandle *handle = cls; | ||
378 | |||
379 | do_error (handle); | ||
380 | } | ||
381 | |||
382 | static void | ||
383 | finished_cont (void *cls, | ||
384 | int32_t success, | ||
385 | const char *emsg) | ||
386 | { | ||
387 | struct RequestHandle *handle = cls; | ||
388 | struct MHD_Response *resp; | ||
389 | |||
390 | resp = GNUNET_REST_create_response (emsg); | ||
391 | if (GNUNET_OK != success) | ||
392 | { | ||
393 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
394 | return; | ||
395 | } | ||
396 | handle->proc (handle->proc_cls, resp, MHD_HTTP_OK); | ||
397 | GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle); | ||
398 | } | ||
399 | |||
400 | |||
401 | /** | ||
402 | * Return attributes for identity | ||
403 | * | ||
404 | * @param cls the request handle | ||
405 | */ | ||
406 | static void | ||
407 | return_response (void *cls) | ||
408 | { | ||
409 | char* result_str; | ||
410 | struct RequestHandle *handle = cls; | ||
411 | struct MHD_Response *resp; | ||
412 | |||
413 | GNUNET_JSONAPI_document_serialize (handle->resp_object, &result_str); | ||
414 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str); | ||
415 | resp = GNUNET_REST_create_response (result_str); | ||
416 | handle->proc (handle->proc_cls, resp, MHD_HTTP_OK); | ||
417 | GNUNET_free (result_str); | ||
418 | cleanup_handle (handle); | ||
419 | } | ||
420 | |||
421 | static void | ||
422 | collect_finished_cb (void *cls) | ||
423 | { | ||
424 | struct RequestHandle *handle = cls; | ||
425 | //Done | ||
426 | handle->attr_it = NULL; | ||
427 | handle->ticket_it = NULL; | ||
428 | GNUNET_SCHEDULER_add_now (&return_response, handle); | ||
429 | } | ||
430 | |||
431 | |||
432 | /** | ||
433 | * Collect all attributes for an ego | ||
434 | * | ||
435 | */ | ||
436 | static void | ||
437 | ticket_collect (void *cls, | ||
438 | const struct GNUNET_RECLAIM_Ticket *ticket) | ||
439 | { | ||
440 | struct GNUNET_JSONAPI_Resource *json_resource; | ||
441 | struct RequestHandle *handle = cls; | ||
442 | json_t *value; | ||
443 | char* tmp; | ||
444 | |||
445 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding ticket\n"); | ||
446 | tmp = GNUNET_STRINGS_data_to_string_alloc (&ticket->rnd, | ||
447 | sizeof (uint64_t)); | ||
448 | json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_IDENTITY_TICKET, | ||
449 | tmp); | ||
450 | GNUNET_free (tmp); | ||
451 | GNUNET_JSONAPI_document_resource_add (handle->resp_object, json_resource); | ||
452 | |||
453 | tmp = GNUNET_STRINGS_data_to_string_alloc (&ticket->identity, | ||
454 | sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)); | ||
455 | value = json_string (tmp); | ||
456 | GNUNET_JSONAPI_resource_add_attr (json_resource, | ||
457 | "issuer", | ||
458 | value); | ||
459 | GNUNET_free (tmp); | ||
460 | json_decref (value); | ||
461 | tmp = GNUNET_STRINGS_data_to_string_alloc (&ticket->audience, | ||
462 | sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)); | ||
463 | value = json_string (tmp); | ||
464 | GNUNET_JSONAPI_resource_add_attr (json_resource, | ||
465 | "audience", | ||
466 | value); | ||
467 | GNUNET_free (tmp); | ||
468 | json_decref (value); | ||
469 | tmp = GNUNET_STRINGS_data_to_string_alloc (&ticket->rnd, | ||
470 | sizeof (uint64_t)); | ||
471 | value = json_string (tmp); | ||
472 | GNUNET_JSONAPI_resource_add_attr (json_resource, | ||
473 | "rnd", | ||
474 | value); | ||
475 | GNUNET_free (tmp); | ||
476 | json_decref (value); | ||
477 | GNUNET_RECLAIM_ticket_iteration_next (handle->ticket_it); | ||
478 | } | ||
479 | |||
480 | |||
481 | |||
482 | /** | ||
483 | * List tickets for identity request | ||
484 | * | ||
485 | * @param con_handle the connection handle | ||
486 | * @param url the url | ||
487 | * @param cls the RequestHandle | ||
488 | */ | ||
489 | static void | ||
490 | list_tickets_cont (struct GNUNET_REST_RequestHandle *con_handle, | ||
491 | const char* url, | ||
492 | void *cls) | ||
493 | { | ||
494 | const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_key; | ||
495 | struct RequestHandle *handle = cls; | ||
496 | struct EgoEntry *ego_entry; | ||
497 | char *identity; | ||
498 | |||
499 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Getting tickets for %s.\n", | ||
500 | handle->url); | ||
501 | if ( strlen (GNUNET_REST_API_NS_IDENTITY_TICKETS) >= | ||
502 | strlen (handle->url)) | ||
503 | { | ||
504 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No identity given.\n"); | ||
505 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
506 | return; | ||
507 | } | ||
508 | identity = handle->url + strlen (GNUNET_REST_API_NS_IDENTITY_TICKETS) + 1; | ||
509 | |||
510 | for (ego_entry = handle->ego_head; | ||
511 | NULL != ego_entry; | ||
512 | ego_entry = ego_entry->next) | ||
513 | if (0 == strcmp (identity, ego_entry->identifier)) | ||
514 | break; | ||
515 | handle->resp_object = GNUNET_JSONAPI_document_new (); | ||
516 | |||
517 | if (NULL == ego_entry) | ||
518 | { | ||
519 | //Done | ||
520 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Ego %s not found.\n", | ||
521 | identity); | ||
522 | GNUNET_SCHEDULER_add_now (&return_response, handle); | ||
523 | return; | ||
524 | } | ||
525 | priv_key = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego); | ||
526 | handle->idp = GNUNET_RECLAIM_connect (cfg); | ||
527 | handle->ticket_it = GNUNET_RECLAIM_ticket_iteration_start (handle->idp, | ||
528 | priv_key, | ||
529 | &collect_error_cb, | ||
530 | handle, | ||
531 | &ticket_collect, | ||
532 | handle, | ||
533 | &collect_finished_cb, | ||
534 | handle); | ||
535 | } | ||
536 | |||
537 | |||
538 | static void | ||
539 | add_attribute_cont (struct GNUNET_REST_RequestHandle *con_handle, | ||
540 | const char* url, | ||
541 | void *cls) | ||
542 | { | ||
543 | const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity_priv; | ||
544 | const char* identity; | ||
545 | const char* name_str; | ||
546 | const char* value_str; | ||
547 | const char* exp_str; | ||
548 | |||
549 | struct RequestHandle *handle = cls; | ||
550 | struct EgoEntry *ego_entry; | ||
551 | struct MHD_Response *resp; | ||
552 | struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attribute; | ||
553 | struct GNUNET_JSONAPI_Document *json_obj; | ||
554 | struct GNUNET_JSONAPI_Resource *json_res; | ||
555 | struct GNUNET_TIME_Relative exp; | ||
556 | char term_data[handle->rest_handle->data_size+1]; | ||
557 | json_t *value_json; | ||
558 | json_t *data_json; | ||
559 | json_t *exp_json; | ||
560 | json_error_t err; | ||
561 | struct GNUNET_JSON_Specification docspec[] = { | ||
562 | GNUNET_JSON_spec_jsonapi_document (&json_obj), | ||
563 | GNUNET_JSON_spec_end() | ||
564 | }; | ||
565 | |||
566 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding an attribute for %s.\n", | ||
567 | handle->url); | ||
568 | if ( strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) >= | ||
569 | strlen (handle->url)) | ||
570 | { | ||
571 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No identity given.\n"); | ||
572 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
573 | return; | ||
574 | } | ||
575 | identity = handle->url + strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) + 1; | ||
576 | |||
577 | for (ego_entry = handle->ego_head; | ||
578 | NULL != ego_entry; | ||
579 | ego_entry = ego_entry->next) | ||
580 | if (0 == strcmp (identity, ego_entry->identifier)) | ||
581 | break; | ||
582 | |||
583 | if (NULL == ego_entry) | ||
584 | { | ||
585 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
586 | "Identity unknown (%s)\n", identity); | ||
587 | GNUNET_JSONAPI_document_delete (json_obj); | ||
588 | return; | ||
589 | } | ||
590 | identity_priv = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego); | ||
591 | |||
592 | if (0 >= handle->rest_handle->data_size) | ||
593 | { | ||
594 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
595 | return; | ||
596 | } | ||
597 | |||
598 | term_data[handle->rest_handle->data_size] = '\0'; | ||
599 | GNUNET_memcpy (term_data, | ||
600 | handle->rest_handle->data, | ||
601 | handle->rest_handle->data_size); | ||
602 | data_json = json_loads (term_data, | ||
603 | JSON_DECODE_ANY, | ||
604 | &err); | ||
605 | GNUNET_assert (GNUNET_OK == | ||
606 | GNUNET_JSON_parse (data_json, docspec, | ||
607 | NULL, NULL)); | ||
608 | json_decref (data_json); | ||
609 | if (NULL == json_obj) | ||
610 | { | ||
611 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
612 | "Unable to parse JSONAPI Object from %s\n", | ||
613 | term_data); | ||
614 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
615 | return; | ||
616 | } | ||
617 | if (1 != GNUNET_JSONAPI_document_resource_count (json_obj)) | ||
618 | { | ||
619 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
620 | "Cannot create more than 1 resource! (Got %d)\n", | ||
621 | GNUNET_JSONAPI_document_resource_count (json_obj)); | ||
622 | GNUNET_JSONAPI_document_delete (json_obj); | ||
623 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
624 | return; | ||
625 | } | ||
626 | json_res = GNUNET_JSONAPI_document_get_resource (json_obj, 0); | ||
627 | if (GNUNET_NO == GNUNET_JSONAPI_resource_check_type (json_res, | ||
628 | GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE)) | ||
629 | { | ||
630 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
631 | "Unsupported JSON data type\n"); | ||
632 | GNUNET_JSONAPI_document_delete (json_obj); | ||
633 | resp = GNUNET_REST_create_response (NULL); | ||
634 | handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT); | ||
635 | cleanup_handle (handle); | ||
636 | return; | ||
637 | } | ||
638 | name_str = GNUNET_JSONAPI_resource_get_id (json_res); | ||
639 | exp_json = GNUNET_JSONAPI_resource_read_attr (json_res, | ||
640 | "exp"); | ||
641 | exp_str = json_string_value (exp_json); | ||
642 | if (NULL == exp_str) { | ||
643 | exp = GNUNET_TIME_UNIT_HOURS; | ||
644 | } else { | ||
645 | if (GNUNET_OK != GNUNET_STRINGS_fancy_time_to_relative (exp_str, | ||
646 | &exp)) { | ||
647 | exp = GNUNET_TIME_UNIT_HOURS; | ||
648 | } | ||
649 | } | ||
650 | |||
651 | value_json = GNUNET_JSONAPI_resource_read_attr (json_res, | ||
652 | "value"); | ||
653 | value_str = json_string_value (value_json); | ||
654 | attribute = GNUNET_RECLAIM_ATTRIBUTE_claim_new (name_str, | ||
655 | GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING, | ||
656 | value_str, | ||
657 | strlen (value_str) + 1); | ||
658 | handle->idp = GNUNET_RECLAIM_connect (cfg); | ||
659 | handle->idp_op = GNUNET_RECLAIM_attribute_store (handle->idp, | ||
660 | identity_priv, | ||
661 | attribute, | ||
662 | &exp, | ||
663 | &finished_cont, | ||
664 | handle); | ||
665 | GNUNET_free (attribute); | ||
666 | GNUNET_JSONAPI_document_delete (json_obj); | ||
667 | } | ||
668 | |||
669 | |||
670 | |||
671 | /** | ||
672 | * Collect all attributes for an ego | ||
673 | * | ||
674 | */ | ||
675 | static void | ||
676 | attr_collect (void *cls, | ||
677 | const struct GNUNET_CRYPTO_EcdsaPublicKey *identity, | ||
678 | const struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attr) | ||
679 | { | ||
680 | struct GNUNET_JSONAPI_Resource *json_resource; | ||
681 | struct RequestHandle *handle = cls; | ||
682 | json_t *value; | ||
683 | char* tmp_value; | ||
684 | |||
685 | if ((NULL == attr->name) || (NULL == attr->data)) | ||
686 | { | ||
687 | GNUNET_RECLAIM_get_attributes_next (handle->attr_it); | ||
688 | return; | ||
689 | } | ||
690 | |||
691 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding attribute: %s\n", | ||
692 | attr->name); | ||
693 | json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE, | ||
694 | attr->name); | ||
695 | GNUNET_JSONAPI_document_resource_add (handle->resp_object, json_resource); | ||
696 | |||
697 | tmp_value = GNUNET_RECLAIM_ATTRIBUTE_value_to_string (attr->type, | ||
698 | attr->data, | ||
699 | attr->data_size); | ||
700 | |||
701 | value = json_string (tmp_value); | ||
702 | |||
703 | GNUNET_JSONAPI_resource_add_attr (json_resource, | ||
704 | "value", | ||
705 | value); | ||
706 | json_decref (value); | ||
707 | GNUNET_free(tmp_value); | ||
708 | GNUNET_RECLAIM_get_attributes_next (handle->attr_it); | ||
709 | } | ||
710 | |||
711 | |||
712 | |||
713 | /** | ||
714 | * List attributes for identity request | ||
715 | * | ||
716 | * @param con_handle the connection handle | ||
717 | * @param url the url | ||
718 | * @param cls the RequestHandle | ||
719 | */ | ||
720 | static void | ||
721 | list_attribute_cont (struct GNUNET_REST_RequestHandle *con_handle, | ||
722 | const char* url, | ||
723 | void *cls) | ||
724 | { | ||
725 | const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_key; | ||
726 | struct RequestHandle *handle = cls; | ||
727 | struct EgoEntry *ego_entry; | ||
728 | char *identity; | ||
729 | |||
730 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Getting attributes for %s.\n", | ||
731 | handle->url); | ||
732 | if ( strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) >= | ||
733 | strlen (handle->url)) | ||
734 | { | ||
735 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No identity given.\n"); | ||
736 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
737 | return; | ||
738 | } | ||
739 | identity = handle->url + strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) + 1; | ||
740 | |||
741 | for (ego_entry = handle->ego_head; | ||
742 | NULL != ego_entry; | ||
743 | ego_entry = ego_entry->next) | ||
744 | if (0 == strcmp (identity, ego_entry->identifier)) | ||
745 | break; | ||
746 | handle->resp_object = GNUNET_JSONAPI_document_new (); | ||
747 | |||
748 | |||
749 | if (NULL == ego_entry) | ||
750 | { | ||
751 | //Done | ||
752 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Ego %s not found.\n", | ||
753 | identity); | ||
754 | GNUNET_SCHEDULER_add_now (&return_response, handle); | ||
755 | return; | ||
756 | } | ||
757 | priv_key = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego); | ||
758 | handle->idp = GNUNET_RECLAIM_connect (cfg); | ||
759 | handle->attr_it = GNUNET_RECLAIM_get_attributes_start (handle->idp, | ||
760 | priv_key, | ||
761 | &collect_error_cb, | ||
762 | handle, | ||
763 | &attr_collect, | ||
764 | handle, | ||
765 | &collect_finished_cb, | ||
766 | handle); | ||
767 | } | ||
768 | |||
769 | |||
770 | static void | ||
771 | revoke_ticket_cont (struct GNUNET_REST_RequestHandle *con_handle, | ||
772 | const char* url, | ||
773 | void *cls) | ||
774 | { | ||
775 | const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity_priv; | ||
776 | const char* identity_str; | ||
777 | const char* audience_str; | ||
778 | const char* rnd_str; | ||
779 | |||
780 | struct RequestHandle *handle = cls; | ||
781 | struct EgoEntry *ego_entry; | ||
782 | struct MHD_Response *resp; | ||
783 | struct GNUNET_RECLAIM_Ticket ticket; | ||
784 | struct GNUNET_JSONAPI_Document *json_obj; | ||
785 | struct GNUNET_JSONAPI_Resource *json_res; | ||
786 | struct GNUNET_CRYPTO_EcdsaPublicKey tmp_pk; | ||
787 | char term_data[handle->rest_handle->data_size+1]; | ||
788 | json_t *rnd_json; | ||
789 | json_t *identity_json; | ||
790 | json_t *audience_json; | ||
791 | json_t *data_json; | ||
792 | json_error_t err; | ||
793 | struct GNUNET_JSON_Specification docspec[] = { | ||
794 | GNUNET_JSON_spec_jsonapi_document (&json_obj), | ||
795 | GNUNET_JSON_spec_end() | ||
796 | }; | ||
797 | |||
798 | if (0 >= handle->rest_handle->data_size) | ||
799 | { | ||
800 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
801 | return; | ||
802 | } | ||
803 | |||
804 | term_data[handle->rest_handle->data_size] = '\0'; | ||
805 | GNUNET_memcpy (term_data, | ||
806 | handle->rest_handle->data, | ||
807 | handle->rest_handle->data_size); | ||
808 | data_json = json_loads (term_data, | ||
809 | JSON_DECODE_ANY, | ||
810 | &err); | ||
811 | GNUNET_assert (GNUNET_OK == | ||
812 | GNUNET_JSON_parse (data_json, docspec, | ||
813 | NULL, NULL)); | ||
814 | json_decref (data_json); | ||
815 | if (NULL == json_obj) | ||
816 | { | ||
817 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
818 | "Unable to parse JSONAPI Object from %s\n", | ||
819 | term_data); | ||
820 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
821 | return; | ||
822 | } | ||
823 | if (1 != GNUNET_JSONAPI_document_resource_count (json_obj)) | ||
824 | { | ||
825 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
826 | "Cannot create more than 1 resource! (Got %d)\n", | ||
827 | GNUNET_JSONAPI_document_resource_count (json_obj)); | ||
828 | GNUNET_JSONAPI_document_delete (json_obj); | ||
829 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
830 | return; | ||
831 | } | ||
832 | json_res = GNUNET_JSONAPI_document_get_resource (json_obj, 0); | ||
833 | if (GNUNET_NO == GNUNET_JSONAPI_resource_check_type (json_res, | ||
834 | GNUNET_REST_JSONAPI_IDENTITY_TICKET)) | ||
835 | { | ||
836 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
837 | "Unsupported JSON data type\n"); | ||
838 | GNUNET_JSONAPI_document_delete (json_obj); | ||
839 | resp = GNUNET_REST_create_response (NULL); | ||
840 | handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT); | ||
841 | cleanup_handle (handle); | ||
842 | return; | ||
843 | } | ||
844 | rnd_json = GNUNET_JSONAPI_resource_read_attr (json_res, | ||
845 | "rnd"); | ||
846 | identity_json = GNUNET_JSONAPI_resource_read_attr (json_res, | ||
847 | "issuer"); | ||
848 | audience_json = GNUNET_JSONAPI_resource_read_attr (json_res, | ||
849 | "audience"); | ||
850 | rnd_str = json_string_value (rnd_json); | ||
851 | identity_str = json_string_value (identity_json); | ||
852 | audience_str = json_string_value (audience_json); | ||
853 | |||
854 | GNUNET_STRINGS_string_to_data (rnd_str, | ||
855 | strlen (rnd_str), | ||
856 | &ticket.rnd, | ||
857 | sizeof (uint64_t)); | ||
858 | GNUNET_STRINGS_string_to_data (identity_str, | ||
859 | strlen (identity_str), | ||
860 | &ticket.identity, | ||
861 | sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)); | ||
862 | GNUNET_STRINGS_string_to_data (audience_str, | ||
863 | strlen (audience_str), | ||
864 | &ticket.audience, | ||
865 | sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)); | ||
866 | |||
867 | for (ego_entry = handle->ego_head; | ||
868 | NULL != ego_entry; | ||
869 | ego_entry = ego_entry->next) | ||
870 | { | ||
871 | GNUNET_IDENTITY_ego_get_public_key (ego_entry->ego, | ||
872 | &tmp_pk); | ||
873 | if (0 == memcmp (&ticket.identity, | ||
874 | &tmp_pk, | ||
875 | sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey))) | ||
876 | break; | ||
877 | } | ||
878 | if (NULL == ego_entry) | ||
879 | { | ||
880 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
881 | "Identity unknown (%s)\n", identity_str); | ||
882 | GNUNET_JSONAPI_document_delete (json_obj); | ||
883 | return; | ||
884 | } | ||
885 | identity_priv = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego); | ||
886 | |||
887 | handle->idp = GNUNET_RECLAIM_connect (cfg); | ||
888 | handle->idp_op = GNUNET_RECLAIM_ticket_revoke (handle->idp, | ||
889 | identity_priv, | ||
890 | &ticket, | ||
891 | &finished_cont, | ||
892 | handle); | ||
893 | GNUNET_JSONAPI_document_delete (json_obj); | ||
894 | } | ||
895 | |||
896 | static void | ||
897 | consume_cont (void *cls, | ||
898 | const struct GNUNET_CRYPTO_EcdsaPublicKey *identity, | ||
899 | const struct GNUNET_RECLAIM_ATTRIBUTE_Claim *attr) | ||
900 | { | ||
901 | struct RequestHandle *handle = cls; | ||
902 | struct GNUNET_JSONAPI_Resource *json_resource; | ||
903 | json_t *value; | ||
904 | |||
905 | if (NULL == identity) | ||
906 | { | ||
907 | GNUNET_SCHEDULER_add_now (&return_response, handle); | ||
908 | return; | ||
909 | } | ||
910 | |||
911 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding attribute: %s\n", | ||
912 | attr->name); | ||
913 | json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_RECLAIM_ATTRIBUTE, | ||
914 | attr->name); | ||
915 | GNUNET_JSONAPI_document_resource_add (handle->resp_object, json_resource); | ||
916 | |||
917 | value = json_string (attr->data); | ||
918 | GNUNET_JSONAPI_resource_add_attr (json_resource, | ||
919 | "value", | ||
920 | value); | ||
921 | json_decref (value); | ||
922 | } | ||
923 | |||
924 | static void | ||
925 | consume_ticket_cont (struct GNUNET_REST_RequestHandle *con_handle, | ||
926 | const char* url, | ||
927 | void *cls) | ||
928 | { | ||
929 | const struct GNUNET_CRYPTO_EcdsaPrivateKey *identity_priv; | ||
930 | const char* identity_str; | ||
931 | const char* audience_str; | ||
932 | const char* rnd_str; | ||
933 | |||
934 | struct RequestHandle *handle = cls; | ||
935 | struct EgoEntry *ego_entry; | ||
936 | struct MHD_Response *resp; | ||
937 | struct GNUNET_RECLAIM_Ticket ticket; | ||
938 | struct GNUNET_JSONAPI_Document *json_obj; | ||
939 | struct GNUNET_JSONAPI_Resource *json_res; | ||
940 | struct GNUNET_CRYPTO_EcdsaPublicKey tmp_pk; | ||
941 | char term_data[handle->rest_handle->data_size+1]; | ||
942 | json_t *rnd_json; | ||
943 | json_t *identity_json; | ||
944 | json_t *audience_json; | ||
945 | json_t *data_json; | ||
946 | json_error_t err; | ||
947 | struct GNUNET_JSON_Specification docspec[] = { | ||
948 | GNUNET_JSON_spec_jsonapi_document (&json_obj), | ||
949 | GNUNET_JSON_spec_end() | ||
950 | }; | ||
951 | |||
952 | if (0 >= handle->rest_handle->data_size) | ||
953 | { | ||
954 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
955 | return; | ||
956 | } | ||
957 | |||
958 | term_data[handle->rest_handle->data_size] = '\0'; | ||
959 | GNUNET_memcpy (term_data, | ||
960 | handle->rest_handle->data, | ||
961 | handle->rest_handle->data_size); | ||
962 | data_json = json_loads (term_data, | ||
963 | JSON_DECODE_ANY, | ||
964 | &err); | ||
965 | GNUNET_assert (GNUNET_OK == | ||
966 | GNUNET_JSON_parse (data_json, docspec, | ||
967 | NULL, NULL)); | ||
968 | json_decref (data_json); | ||
969 | if (NULL == json_obj) | ||
970 | { | ||
971 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
972 | "Unable to parse JSONAPI Object from %s\n", | ||
973 | term_data); | ||
974 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
975 | return; | ||
976 | } | ||
977 | if (1 != GNUNET_JSONAPI_document_resource_count (json_obj)) | ||
978 | { | ||
979 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
980 | "Cannot create more than 1 resource! (Got %d)\n", | ||
981 | GNUNET_JSONAPI_document_resource_count (json_obj)); | ||
982 | GNUNET_JSONAPI_document_delete (json_obj); | ||
983 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
984 | return; | ||
985 | } | ||
986 | json_res = GNUNET_JSONAPI_document_get_resource (json_obj, 0); | ||
987 | if (GNUNET_NO == GNUNET_JSONAPI_resource_check_type (json_res, | ||
988 | GNUNET_REST_JSONAPI_IDENTITY_TICKET)) | ||
989 | { | ||
990 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
991 | "Unsupported JSON data type\n"); | ||
992 | GNUNET_JSONAPI_document_delete (json_obj); | ||
993 | resp = GNUNET_REST_create_response (NULL); | ||
994 | handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT); | ||
995 | cleanup_handle (handle); | ||
996 | return; | ||
997 | } | ||
998 | rnd_json = GNUNET_JSONAPI_resource_read_attr (json_res, | ||
999 | "rnd"); | ||
1000 | identity_json = GNUNET_JSONAPI_resource_read_attr (json_res, | ||
1001 | "identity"); | ||
1002 | audience_json = GNUNET_JSONAPI_resource_read_attr (json_res, | ||
1003 | "audience"); | ||
1004 | rnd_str = json_string_value (rnd_json); | ||
1005 | identity_str = json_string_value (identity_json); | ||
1006 | audience_str = json_string_value (audience_json); | ||
1007 | |||
1008 | GNUNET_STRINGS_string_to_data (rnd_str, | ||
1009 | strlen (rnd_str), | ||
1010 | &ticket.rnd, | ||
1011 | sizeof (uint64_t)); | ||
1012 | GNUNET_STRINGS_string_to_data (identity_str, | ||
1013 | strlen (identity_str), | ||
1014 | &ticket.identity, | ||
1015 | sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)); | ||
1016 | GNUNET_STRINGS_string_to_data (audience_str, | ||
1017 | strlen (audience_str), | ||
1018 | &ticket.audience, | ||
1019 | sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)); | ||
1020 | |||
1021 | for (ego_entry = handle->ego_head; | ||
1022 | NULL != ego_entry; | ||
1023 | ego_entry = ego_entry->next) | ||
1024 | { | ||
1025 | GNUNET_IDENTITY_ego_get_public_key (ego_entry->ego, | ||
1026 | &tmp_pk); | ||
1027 | if (0 == memcmp (&ticket.audience, | ||
1028 | &tmp_pk, | ||
1029 | sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey))) | ||
1030 | break; | ||
1031 | } | ||
1032 | if (NULL == ego_entry) | ||
1033 | { | ||
1034 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
1035 | "Identity unknown (%s)\n", identity_str); | ||
1036 | GNUNET_JSONAPI_document_delete (json_obj); | ||
1037 | return; | ||
1038 | } | ||
1039 | identity_priv = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego); | ||
1040 | handle->resp_object = GNUNET_JSONAPI_document_new (); | ||
1041 | handle->idp = GNUNET_RECLAIM_connect (cfg); | ||
1042 | handle->idp_op = GNUNET_RECLAIM_ticket_consume (handle->idp, | ||
1043 | identity_priv, | ||
1044 | &ticket, | ||
1045 | &consume_cont, | ||
1046 | handle); | ||
1047 | GNUNET_JSONAPI_document_delete (json_obj); | ||
1048 | } | ||
1049 | |||
1050 | |||
1051 | |||
1052 | /** | ||
1053 | * Respond to OPTIONS request | ||
1054 | * | ||
1055 | * @param con_handle the connection handle | ||
1056 | * @param url the url | ||
1057 | * @param cls the RequestHandle | ||
1058 | */ | ||
1059 | static void | ||
1060 | options_cont (struct GNUNET_REST_RequestHandle *con_handle, | ||
1061 | const char* url, | ||
1062 | void *cls) | ||
1063 | { | ||
1064 | struct MHD_Response *resp; | ||
1065 | struct RequestHandle *handle = cls; | ||
1066 | |||
1067 | //For now, independent of path return all options | ||
1068 | resp = GNUNET_REST_create_response (NULL); | ||
1069 | MHD_add_response_header (resp, | ||
1070 | "Access-Control-Allow-Methods", | ||
1071 | allow_methods); | ||
1072 | handle->proc (handle->proc_cls, resp, MHD_HTTP_OK); | ||
1073 | cleanup_handle (handle); | ||
1074 | return; | ||
1075 | } | ||
1076 | |||
1077 | /** | ||
1078 | * Handle rest request | ||
1079 | * | ||
1080 | * @param handle the request handle | ||
1081 | */ | ||
1082 | static void | ||
1083 | init_cont (struct RequestHandle *handle) | ||
1084 | { | ||
1085 | struct GNUNET_REST_RequestHandlerError err; | ||
1086 | static const struct GNUNET_REST_RequestHandler handlers[] = { | ||
1087 | {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES, &list_attribute_cont}, | ||
1088 | {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES, &add_attribute_cont}, | ||
1089 | {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_TICKETS, &list_tickets_cont}, | ||
1090 | {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_IDENTITY_REVOKE, &revoke_ticket_cont}, | ||
1091 | {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_IDENTITY_CONSUME, &consume_ticket_cont}, | ||
1092 | {MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_RECLAIM, | ||
1093 | &options_cont}, | ||
1094 | GNUNET_REST_HANDLER_END | ||
1095 | }; | ||
1096 | |||
1097 | if (GNUNET_NO == GNUNET_REST_handle_request (handle->rest_handle, | ||
1098 | handlers, | ||
1099 | &err, | ||
1100 | handle)) | ||
1101 | { | ||
1102 | handle->response_code = err.error_code; | ||
1103 | GNUNET_SCHEDULER_add_now (&do_error, handle); | ||
1104 | } | ||
1105 | } | ||
1106 | |||
1107 | /** | ||
1108 | * If listing is enabled, prints information about the egos. | ||
1109 | * | ||
1110 | * This function is initially called for all egos and then again | ||
1111 | * whenever a ego's identifier changes or if it is deleted. At the | ||
1112 | * end of the initial pass over all egos, the function is once called | ||
1113 | * with 'NULL' for 'ego'. That does NOT mean that the callback won't | ||
1114 | * be invoked in the future or that there was an error. | ||
1115 | * | ||
1116 | * When used with 'GNUNET_IDENTITY_create' or 'GNUNET_IDENTITY_get', | ||
1117 | * this function is only called ONCE, and 'NULL' being passed in | ||
1118 | * 'ego' does indicate an error (i.e. name is taken or no default | ||
1119 | * value is known). If 'ego' is non-NULL and if '*ctx' | ||
1120 | * is set in those callbacks, the value WILL be passed to a subsequent | ||
1121 | * call to the identity callback of 'GNUNET_IDENTITY_connect' (if | ||
1122 | * that one was not NULL). | ||
1123 | * | ||
1124 | * When an identity is renamed, this function is called with the | ||
1125 | * (known) ego but the NEW identifier. | ||
1126 | * | ||
1127 | * When an identity is deleted, this function is called with the | ||
1128 | * (known) ego and "NULL" for the 'identifier'. In this case, | ||
1129 | * the 'ego' is henceforth invalid (and the 'ctx' should also be | ||
1130 | * cleaned up). | ||
1131 | * | ||
1132 | * @param cls closure | ||
1133 | * @param ego ego handle | ||
1134 | * @param ctx context for application to store data for this ego | ||
1135 | * (during the lifetime of this process, initially NULL) | ||
1136 | * @param identifier identifier assigned by the user for this ego, | ||
1137 | * NULL if the user just deleted the ego and it | ||
1138 | * must thus no longer be used | ||
1139 | */ | ||
1140 | static void | ||
1141 | list_ego (void *cls, | ||
1142 | struct GNUNET_IDENTITY_Ego *ego, | ||
1143 | void **ctx, | ||
1144 | const char *identifier) | ||
1145 | { | ||
1146 | struct RequestHandle *handle = cls; | ||
1147 | struct EgoEntry *ego_entry; | ||
1148 | struct GNUNET_CRYPTO_EcdsaPublicKey pk; | ||
1149 | |||
1150 | if ((NULL == ego) && (ID_REST_STATE_INIT == handle->state)) | ||
1151 | { | ||
1152 | handle->state = ID_REST_STATE_POST_INIT; | ||
1153 | init_cont (handle); | ||
1154 | return; | ||
1155 | } | ||
1156 | if (ID_REST_STATE_INIT == handle->state) { | ||
1157 | ego_entry = GNUNET_new (struct EgoEntry); | ||
1158 | GNUNET_IDENTITY_ego_get_public_key (ego, &pk); | ||
1159 | ego_entry->keystring = | ||
1160 | GNUNET_CRYPTO_ecdsa_public_key_to_string (&pk); | ||
1161 | ego_entry->ego = ego; | ||
1162 | ego_entry->identifier = GNUNET_strdup (identifier); | ||
1163 | GNUNET_CONTAINER_DLL_insert_tail(handle->ego_head,handle->ego_tail, ego_entry); | ||
1164 | } | ||
1165 | |||
1166 | } | ||
1167 | |||
1168 | static void | ||
1169 | rest_identity_process_request(struct GNUNET_REST_RequestHandle *rest_handle, | ||
1170 | GNUNET_REST_ResultProcessor proc, | ||
1171 | void *proc_cls) | ||
1172 | { | ||
1173 | struct RequestHandle *handle = GNUNET_new (struct RequestHandle); | ||
1174 | handle->response_code = 0; | ||
1175 | handle->timeout = GNUNET_TIME_UNIT_FOREVER_REL; | ||
1176 | handle->proc_cls = proc_cls; | ||
1177 | handle->proc = proc; | ||
1178 | handle->state = ID_REST_STATE_INIT; | ||
1179 | handle->rest_handle = rest_handle; | ||
1180 | |||
1181 | handle->url = GNUNET_strdup (rest_handle->url); | ||
1182 | if (handle->url[strlen (handle->url)-1] == '/') | ||
1183 | handle->url[strlen (handle->url)-1] = '\0'; | ||
1184 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
1185 | "Connecting...\n"); | ||
1186 | handle->identity_handle = GNUNET_IDENTITY_connect (cfg, | ||
1187 | &list_ego, | ||
1188 | handle); | ||
1189 | handle->namestore_handle = GNUNET_NAMESTORE_connect (cfg); | ||
1190 | handle->timeout_task = | ||
1191 | GNUNET_SCHEDULER_add_delayed (handle->timeout, | ||
1192 | &do_timeout, | ||
1193 | handle); | ||
1194 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
1195 | "Connected\n"); | ||
1196 | } | ||
1197 | |||
1198 | /** | ||
1199 | * Entry point for the plugin. | ||
1200 | * | ||
1201 | * @param cls Config info | ||
1202 | * @return NULL on error, otherwise the plugin context | ||
1203 | */ | ||
1204 | void * | ||
1205 | libgnunet_plugin_rest_reclaim_init (void *cls) | ||
1206 | { | ||
1207 | static struct Plugin plugin; | ||
1208 | struct GNUNET_REST_Plugin *api; | ||
1209 | |||
1210 | cfg = cls; | ||
1211 | if (NULL != plugin.cfg) | ||
1212 | return NULL; /* can only initialize once! */ | ||
1213 | memset (&plugin, 0, sizeof (struct Plugin)); | ||
1214 | plugin.cfg = cfg; | ||
1215 | api = GNUNET_new (struct GNUNET_REST_Plugin); | ||
1216 | api->cls = &plugin; | ||
1217 | api->name = GNUNET_REST_API_NS_RECLAIM; | ||
1218 | api->process_request = &rest_identity_process_request; | ||
1219 | GNUNET_asprintf (&allow_methods, | ||
1220 | "%s, %s, %s, %s, %s", | ||
1221 | MHD_HTTP_METHOD_GET, | ||
1222 | MHD_HTTP_METHOD_POST, | ||
1223 | MHD_HTTP_METHOD_PUT, | ||
1224 | MHD_HTTP_METHOD_DELETE, | ||
1225 | MHD_HTTP_METHOD_OPTIONS); | ||
1226 | |||
1227 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
1228 | _("Identity Provider REST API initialized\n")); | ||
1229 | return api; | ||
1230 | } | ||
1231 | |||
1232 | |||
1233 | /** | ||
1234 | * Exit point from the plugin. | ||
1235 | * | ||
1236 | * @param cls the plugin context (as returned by "init") | ||
1237 | * @return always NULL | ||
1238 | */ | ||
1239 | void * | ||
1240 | libgnunet_plugin_rest_reclaim_done (void *cls) | ||
1241 | { | ||
1242 | struct GNUNET_REST_Plugin *api = cls; | ||
1243 | struct Plugin *plugin = api->cls; | ||
1244 | plugin->cfg = NULL; | ||
1245 | |||
1246 | GNUNET_free_non_null (allow_methods); | ||
1247 | GNUNET_free (api); | ||
1248 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
1249 | "Identity Provider REST plugin is finished\n"); | ||
1250 | return NULL; | ||
1251 | } | ||
1252 | |||
1253 | /* end of plugin_rest_reclaim.c */ | ||