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Gcvote xml parsing started
1 | /* |
2 | * This file is part of GPXView. |
3 | * |
4 | * GPXView is free software: you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License as published by |
6 | * the Free Software Foundation, either version 3 of the License, or |
7 | * (at your option) any later version. |
8 | * |
9 | * GPXView is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | * GNU General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with GPXView. If not, see <http://www.gnu.org/licenses/>. |
16 | */ |
17 | |
18 | |
19 | /* curl command line example: |
20 | curl -d version=2.0b -duserName=uglyDUMMYusernamesolution -d cacheIds=4e68a04e-161c-4351-9813-bec6f6a4ca8a -d password= http://dosensuche.de/GCVote/getVotes.php |
21 | */ |
22 | |
23 | #include <curl/curl.h> |
24 | #include <curl/types.h> |
25 | #include <curl/easy.h> |
26 | |
27 | #include <libxml/parser.h> |
28 | #include <libxml/tree.h> |
29 | |
30 | #ifndef LIBXML_TREE_ENABLED |
31 | #error "Tree not enabled in libxml" |
32 | #endif |
33 | |
34 | #include "gpxview.h" |
35 | |
36 | #define ID_PATTERN "guid=" |
37 | |
38 | typedef struct { |
39 | char *ptr; |
40 | int len; |
41 | } curl_mem_t; |
42 | |
43 | static size_t mem_write(void *ptr, size_t size, size_t nmemb, |
44 | void *stream) { |
45 | curl_mem_t *p = (curl_mem_t*)stream; |
46 | |
47 | p->ptr = g_realloc(p->ptr, p->len + size*nmemb + 1); |
48 | if(p->ptr) { |
49 | memcpy(p->ptr+p->len, ptr, size*nmemb); |
50 | p->len += size*nmemb; |
51 | p->ptr[p->len] = 0; |
52 | } |
53 | return nmemb; |
54 | } |
55 | |
56 | #if 0 |
57 | #define PROXY_KEY "/system/http_proxy/" |
58 | |
59 | typedef struct { |
60 | char *authentication_password, *authentication_user; |
61 | char *host; |
62 | char *ignore_hosts; |
63 | gint port; |
64 | gboolean use_authentication; |
65 | } proxy_t; |
66 | |
67 | void net_io_set_proxy(CURL *curl, proxy_t *proxy) { |
68 | /* ------ overwrite with settings from gconf if present ------- */ |
69 | GConfClient *client = gconf_client_get_default(); |
70 | |
71 | /* ------------- get proxy settings -------------------- */ |
72 | if(gconf_client_get_bool(client, PROXY_KEY "use_http_proxy", NULL)) { |
73 | proxy_t *proxy = settings->proxy = g_new0(proxy_t, 1); |
74 | |
75 | /* get basic settings */ |
76 | proxy->host = gconf_client_get_string(client, PROXY_KEY "host", NULL); |
77 | proxy->port = gconf_client_get_int(client, PROXY_KEY "port", NULL); |
78 | proxy->ignore_hosts = |
79 | gconf_client_get_string(client, PROXY_KEY "ignore_hosts", NULL); |
80 | |
81 | /* check for authentication */ |
82 | proxy->use_authentication = |
83 | gconf_client_get_bool(client, PROXY_KEY "use_authentication", NULL); |
84 | |
85 | if(proxy->use_authentication) { |
86 | proxy->authentication_user = |
87 | gconf_client_get_string(client, PROXY_KEY "authentication_user", NULL); |
88 | proxy->authentication_password = |
89 | gconf_client_get_string(client, PROXY_KEY "authentication_password", |
90 | NULL); |
91 | } |
92 | } |
93 | |
94 | if(proxy) { |
95 | if(proxy->ignore_hosts) |
96 | printf("WARNING: Pproxy \"ignore_hosts\" unsupported!\n"); |
97 | |
98 | printf("net_io: using proxy %s:%d\n", proxy->host, proxy->port); |
99 | |
100 | curl_easy_setopt(curl, CURLOPT_PROXY, proxy->host); |
101 | curl_easy_setopt(curl, CURLOPT_PROXYPORT, proxy->port); |
102 | |
103 | if(proxy->use_authentication) { |
104 | printf("net_io: use auth for user %s\n", proxy->authentication_user); |
105 | |
106 | char *cred = g_strdup_printf("%s:%s", |
107 | proxy->authentication_user, |
108 | proxy->authentication_password); |
109 | |
110 | curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, cred); |
111 | g_free(cred); |
112 | } |
113 | } |
114 | } |
115 | #endif |
116 | |
117 | /* parse root element */ |
118 | static void parse_root(xmlDocPtr doc, xmlNode *a_node) { |
119 | xmlNode *cur_node = NULL; |
120 | |
121 | for (cur_node = a_node; cur_node; cur_node = cur_node->next) { |
122 | if (cur_node->type == XML_ELEMENT_NODE) { |
123 | |
124 | if(strcasecmp((char*)cur_node->name, "WMT_MS_Capabilities") == 0) { |
125 | printf("xyz\n"); |
126 | |
127 | // wms_cap_parse(wms, doc, cur_node); |
128 | } else |
129 | printf("found unhandled %s\n", cur_node->name); |
130 | } |
131 | } |
132 | } |
133 | |
134 | static void parse_doc(xmlDocPtr doc) { |
135 | /* Get the root element node */ |
136 | xmlNode *root_element = xmlDocGetRootElement(doc); |
137 | |
138 | parse_root(doc, root_element); |
139 | |
140 | /*free the document */ |
141 | xmlFreeDoc(doc); |
142 | |
143 | /* |
144 | * Free the global variables that may |
145 | * have been allocated by the parser. |
146 | */ |
147 | xmlCleanupParser(); |
148 | } |
149 | |
150 | int gcvote_get(appdata_t *appdata, char *url) { |
151 | CURL *curl; |
152 | struct curl_httppost *formpost=NULL; |
153 | struct curl_httppost *lastptr=NULL; |
154 | CURLcode res; |
155 | curl_mem_t mem = { NULL, 0 }; |
156 | |
157 | char *id = NULL; |
158 | |
159 | if(!url) return GCVOTE_NONE; |
160 | |
161 | id = strstr(url, ID_PATTERN); |
162 | if(!id) return GCVOTE_NONE; |
163 | |
164 | id += strlen(ID_PATTERN); |
165 | |
166 | printf("request to get votes for id %s\n", id); |
167 | |
168 | curl_formadd(&formpost, &lastptr, |
169 | CURLFORM_COPYNAME, "version", |
170 | CURLFORM_COPYCONTENTS, APP VERSION, |
171 | CURLFORM_END); |
172 | |
173 | curl_formadd(&formpost, &lastptr, |
174 | CURLFORM_COPYNAME, "cacheIds", |
175 | CURLFORM_COPYCONTENTS, id, |
176 | CURLFORM_END); |
177 | |
178 | curl = curl_easy_init(); |
179 | if(!curl) return GCVOTE_NONE; |
180 | |
181 | /* play nice and report some user agent */ |
182 | curl_easy_setopt(curl, CURLOPT_USERAGENT, APP " " VERSION); |
183 | |
184 | /* download to memory */ |
185 | curl_easy_setopt(curl, CURLOPT_WRITEDATA, &mem); |
186 | curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, mem_write); |
187 | |
188 | /* what URL that receives this POST */ |
189 | curl_easy_setopt(curl, CURLOPT_URL, "http://dosensuche.de/GCVote/getVotes.php"); |
190 | curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost); |
191 | res = curl_easy_perform(curl); |
192 | |
193 | /* always cleanup */ |
194 | curl_easy_cleanup(curl); |
195 | |
196 | /* then cleanup the formpost chain */ |
197 | curl_formfree(formpost); |
198 | |
199 | printf("received %d bytes\n", mem.len); |
200 | printf("data: %s\n", mem.ptr); |
201 | |
202 | /* start XML parser */ |
203 | LIBXML_TEST_VERSION; |
204 | |
205 | /* parse the file and get the DOM */ |
206 | xmlDoc *doc = xmlReadMemory(mem.ptr, mem.len, NULL, NULL, 0); |
207 | if(!doc) { |
208 | g_free(mem.ptr); |
209 | return GCVOTE_NONE; |
210 | } |
211 | |
212 | printf("ok, parse doc tree\n"); |
213 | parse_doc(doc); |
214 | |
215 | |
216 | return 0; |
217 | } |