bank_api_parse.c (5605B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2018-2020 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see 15 <http://www.gnu.org/licenses/> 16 */ 17 /** 18 * @file bank-lib/bank_api_parse.c 19 * @brief Convenience function to parse authentication configuration 20 * @author Christian Grothoff 21 */ 22 #include "taler/taler_bank_service.h" 23 24 25 enum GNUNET_GenericReturnValue 26 TALER_BANK_auth_parse_cfg (const struct GNUNET_CONFIGURATION_Handle *cfg, 27 const char *section, 28 struct TALER_BANK_AuthenticationData *auth) 29 { 30 const struct 31 { 32 const char *m; 33 enum TALER_BANK_AuthenticationMethod e; 34 } methods[] = { 35 { "NONE", TALER_BANK_AUTH_NONE }, 36 { "BASIC", TALER_BANK_AUTH_BASIC }, 37 { "BEARER", TALER_BANK_AUTH_BEARER }, 38 { NULL, TALER_BANK_AUTH_NONE } 39 }; 40 char *method; 41 42 memset (auth, 43 0, 44 sizeof (*auth)); 45 if (GNUNET_OK == 46 GNUNET_CONFIGURATION_get_value_string (cfg, 47 section, 48 "CORE_BANK_URL", 49 &auth->core_bank_url)) 50 { 51 if (! TALER_is_web_url (auth->core_bank_url)) 52 { 53 GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, 54 section, 55 "CORE_BANK_URL", 56 "Not a valid URL"); 57 return GNUNET_SYSERR; 58 } 59 } 60 if (GNUNET_OK != 61 GNUNET_CONFIGURATION_get_value_string (cfg, 62 section, 63 "WIRE_GATEWAY_URL", 64 &auth->wire_gateway_url)) 65 { 66 GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, 67 section, 68 "WIRE_GATEWAY_URL"); 69 TALER_BANK_auth_free (auth); 70 return GNUNET_SYSERR; 71 } 72 if (GNUNET_OK != 73 GNUNET_CONFIGURATION_get_value_string (cfg, 74 section, 75 "WIRE_GATEWAY_AUTH_METHOD", 76 &method)) 77 { 78 GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, 79 section, 80 "WIRE_GATEWAY_AUTH_METHOD"); 81 TALER_BANK_auth_free (auth); 82 return GNUNET_SYSERR; 83 } 84 for (unsigned int i = 0; NULL != methods[i].m; i++) 85 { 86 if (0 == strcasecmp (method, 87 methods[i].m)) 88 { 89 switch (methods[i].e) 90 { 91 case TALER_BANK_AUTH_NONE: 92 auth->method = TALER_BANK_AUTH_NONE; 93 GNUNET_free (method); 94 return GNUNET_OK; 95 case TALER_BANK_AUTH_BASIC: 96 if (GNUNET_OK != 97 GNUNET_CONFIGURATION_get_value_string ( 98 cfg, 99 section, 100 "USERNAME", 101 &auth->details.basic.username)) 102 { 103 GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, 104 section, 105 "USERNAME"); 106 GNUNET_free (method); 107 TALER_BANK_auth_free (auth); 108 return GNUNET_SYSERR; 109 } 110 if (GNUNET_OK != 111 GNUNET_CONFIGURATION_get_value_string ( 112 cfg, 113 section, 114 "PASSWORD", 115 &auth->details.basic.password)) 116 { 117 GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, 118 section, 119 "PASSWORD"); 120 GNUNET_free (method); 121 TALER_BANK_auth_free (auth); 122 return GNUNET_SYSERR; 123 } 124 auth->method = TALER_BANK_AUTH_BASIC; 125 GNUNET_free (method); 126 return GNUNET_OK; 127 case TALER_BANK_AUTH_BEARER: 128 if (GNUNET_OK != 129 GNUNET_CONFIGURATION_get_value_string ( 130 cfg, 131 section, 132 "TOKEN", 133 &auth->details.bearer.token)) 134 { 135 GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, 136 section, 137 "TOKEN"); 138 GNUNET_free (method); 139 TALER_BANK_auth_free (auth); 140 return GNUNET_SYSERR; 141 } 142 auth->method = TALER_BANK_AUTH_BEARER; 143 GNUNET_free (method); 144 return GNUNET_OK; 145 } 146 } 147 } 148 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, 149 "Unknown authentication method `%s'\n", 150 method); 151 GNUNET_free (method); 152 return GNUNET_SYSERR; 153 } 154 155 156 void 157 TALER_BANK_auth_free (struct TALER_BANK_AuthenticationData *auth) 158 { 159 switch (auth->method) 160 { 161 case TALER_BANK_AUTH_NONE: 162 break; 163 case TALER_BANK_AUTH_BASIC: 164 GNUNET_free (auth->details.basic.username); 165 GNUNET_free (auth->details.basic.password); 166 break; 167 case TALER_BANK_AUTH_BEARER: 168 GNUNET_free (auth->details.bearer.token); 169 break; 170 } 171 GNUNET_free (auth->wire_gateway_url); 172 GNUNET_free (auth->core_bank_url); 173 } 174 175 176 /* end of bank_api_parse.c */