[e6648bf] | 1 | /** passport.c |
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[b7d3cc34] | 2 | * |
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[e6648bf] | 3 | * Functions to login to Microsoft Passport service for Messenger |
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| 4 | * Copyright (C) 2004-2008 Wilmer van der Gaast <wilmer@gaast.net> |
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[b7d3cc34] | 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License version 2 |
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| 8 | * as published by the Free Software Foundation |
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| 9 | * |
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| 10 | * This program is distributed in the hope that is will be useful, |
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| 11 | * bit WITHOU ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 18 | * |
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| 19 | */ |
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| 20 | |
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[ad8b8a3] | 21 | #include "http_client.h" |
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[b7d3cc34] | 22 | #include "passport.h" |
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| 23 | #include "msn.h" |
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| 24 | #include "bitlbee.h" |
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[e6648bf] | 25 | #include "url.h" |
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| 26 | #include "misc.h" |
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| 27 | #include "xmltree.h" |
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[b7d3cc34] | 28 | #include <ctype.h> |
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| 29 | #include <errno.h> |
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| 30 | |
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[e6648bf] | 31 | static int passport_get_token_real( struct msn_auth_data *mad ); |
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| 32 | static void passport_get_token_ready( struct http_request *req ); |
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[b7d3cc34] | 33 | |
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[e6648bf] | 34 | int passport_get_token( gpointer func, gpointer data, char *username, char *password, char *cookie ) |
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[b7d3cc34] | 35 | { |
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[e6648bf] | 36 | struct msn_auth_data *mad = g_new0( struct msn_auth_data, 1 ); |
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| 37 | int i; |
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[b7d3cc34] | 38 | |
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[e6648bf] | 39 | mad->username = g_strdup( username ); |
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| 40 | mad->password = g_strdup( password ); |
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| 41 | mad->cookie = g_strdup( cookie ); |
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| 42 | |
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| 43 | mad->callback = func; |
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| 44 | mad->data = data; |
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| 45 | |
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| 46 | mad->url = g_strdup( SOAP_AUTHENTICATION_URL ); |
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| 47 | mad->ttl = 3; /* Max. # of redirects. */ |
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| 48 | |
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| 49 | /* HTTP-escape stuff and s/,/&/ */ |
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| 50 | http_decode( mad->cookie ); |
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| 51 | for( i = 0; mad->cookie[i]; i ++ ) |
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| 52 | if( mad->cookie[i] == ',' ) |
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| 53 | mad->cookie[i] = '&'; |
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| 54 | |
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| 55 | return passport_get_token_real( mad ); |
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[ad8b8a3] | 56 | } |
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| 57 | |
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[e6648bf] | 58 | static int passport_get_token_real( struct msn_auth_data *mad ) |
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[ad8b8a3] | 59 | { |
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[e6648bf] | 60 | char *post_payload, *post_request; |
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[ad8b8a3] | 61 | struct http_request *req; |
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[e6648bf] | 62 | url_t url; |
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[ad8b8a3] | 63 | |
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[e6648bf] | 64 | url_set( &url, mad->url ); |
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[ad8b8a3] | 65 | |
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[e6648bf] | 66 | post_payload = g_markup_printf_escaped( SOAP_AUTHENTICATION_PAYLOAD, |
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| 67 | mad->username, |
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| 68 | mad->password, |
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| 69 | mad->cookie ); |
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[ad8b8a3] | 70 | |
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[e6648bf] | 71 | post_request = g_strdup_printf( SOAP_AUTHENTICATION_REQUEST, |
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| 72 | url.file, url.host, |
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| 73 | (int) strlen( post_payload ), |
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| 74 | post_payload ); |
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| 75 | |
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| 76 | req = http_dorequest( url.host, url.port, 1, post_request, |
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| 77 | passport_get_token_ready, mad ); |
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[ad8b8a3] | 78 | |
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[e6648bf] | 79 | g_free( post_request ); |
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| 80 | g_free( post_payload ); |
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[ad8b8a3] | 81 | |
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[e6648bf] | 82 | return req != NULL; |
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[b7d3cc34] | 83 | } |
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| 84 | |
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[e6648bf] | 85 | static xt_status passport_xt_extract_token( struct xt_node *node, gpointer data ); |
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| 86 | static xt_status passport_xt_handle_fault( struct xt_node *node, gpointer data ); |
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| 87 | |
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| 88 | static const struct xt_handler_entry passport_xt_handlers[] = { |
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| 89 | { "wsse:BinarySecurityToken", "wst:RequestedSecurityToken", passport_xt_extract_token }, |
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| 90 | { "S:Fault", "S:Envelope", passport_xt_handle_fault }, |
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| 91 | { NULL, NULL, NULL } |
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| 92 | }; |
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| 93 | |
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| 94 | static void passport_get_token_ready( struct http_request *req ) |
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[ad8b8a3] | 95 | { |
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[e6648bf] | 96 | struct msn_auth_data *mad = req->data; |
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| 97 | struct xt_parser *parser; |
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[ad8b8a3] | 98 | |
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[e6648bf] | 99 | g_free( mad->url ); |
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| 100 | g_free( mad->error ); |
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| 101 | mad->url = mad->error = NULL; |
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[ad8b8a3] | 102 | |
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[e6648bf] | 103 | if( req->status_code == 200 ) |
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[ad8b8a3] | 104 | { |
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[e6648bf] | 105 | parser = xt_new( passport_xt_handlers, mad ); |
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| 106 | xt_feed( parser, req->reply_body, req->body_size ); |
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| 107 | xt_handle( parser, NULL, -1 ); |
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| 108 | xt_free( parser ); |
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[a2582c8] | 109 | } |
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| 110 | else |
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| 111 | { |
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[e6648bf] | 112 | mad->error = g_strdup_printf( "HTTP error %d (%s)", req->status_code, |
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| 113 | req->status_string ? req->status_string : "unknown" ); |
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[ad8b8a3] | 114 | } |
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| 115 | |
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[e6648bf] | 116 | if( mad->error == NULL && mad->token == NULL ) |
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| 117 | mad->error = g_strdup( "Could not parse Passport server response" ); |
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[b7d3cc34] | 118 | |
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[e6648bf] | 119 | if( mad->url && mad->token == NULL ) |
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| 120 | { |
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| 121 | passport_get_token_real( mad ); |
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| 122 | } |
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| 123 | else |
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| 124 | { |
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| 125 | mad->callback( mad ); |
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| 126 | |
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| 127 | g_free( mad->url ); |
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| 128 | g_free( mad->username ); |
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| 129 | g_free( mad->password ); |
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| 130 | g_free( mad->cookie ); |
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| 131 | g_free( mad->token ); |
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| 132 | g_free( mad->error ); |
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| 133 | g_free( mad ); |
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| 134 | } |
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[b7d3cc34] | 135 | } |
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| 136 | |
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[e6648bf] | 137 | static xt_status passport_xt_extract_token( struct xt_node *node, gpointer data ) |
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[b7d3cc34] | 138 | { |
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[e6648bf] | 139 | struct msn_auth_data *mad = data; |
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| 140 | char *s; |
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[b7d3cc34] | 141 | |
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[e6648bf] | 142 | if( ( s = xt_find_attr( node, "Id" ) ) && strcmp( s, "PPToken1" ) == 0 ) |
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| 143 | mad->token = g_memdup( node->text, node->text_len + 1 ); |
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[b7d3cc34] | 144 | |
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[e6648bf] | 145 | return XT_HANDLED; |
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[b7d3cc34] | 146 | } |
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| 147 | |
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[e6648bf] | 148 | static xt_status passport_xt_handle_fault( struct xt_node *node, gpointer data ) |
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[b7d3cc34] | 149 | { |
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[e6648bf] | 150 | struct msn_auth_data *mad = data; |
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| 151 | struct xt_node *code = xt_find_node( node->children, "faultcode" ); |
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| 152 | struct xt_node *string = xt_find_node( node->children, "faultstring" ); |
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| 153 | struct xt_node *redirect = xt_find_node( node->children, "psf:redirectUrl" ); |
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[b7d3cc34] | 154 | |
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[e6648bf] | 155 | if( redirect && redirect->text_len && mad->ttl-- > 0 ) |
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| 156 | mad->url = g_memdup( redirect->text, redirect->text_len + 1 ); |
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[a2582c8] | 157 | |
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[e6648bf] | 158 | if( code == NULL || code->text_len == 0 ) |
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| 159 | mad->error = g_strdup( "Unknown error" ); |
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| 160 | else |
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| 161 | mad->error = g_strdup_printf( "%s (%s)", code->text, string && string->text_len ? |
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| 162 | string->text : "no description available" ); |
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[b7d3cc34] | 163 | |
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[e6648bf] | 164 | return XT_HANDLED; |
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[b7d3cc34] | 165 | } |
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