-rw-r--r-- | lib/discovery.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/discovery.cc b/lib/discovery.cc index c118c80..3b90977 100644 --- a/lib/discovery.cc +++ b/lib/discovery.cc | |||
@@ -135,256 +135,257 @@ namespace opkele { | |||
135 | if(!strncasecmp(identity.c_str()+fsc,"xri://",sizeof("xri://")-1)) | 135 | if(!strncasecmp(identity.c_str()+fsc,"xri://",sizeof("xri://")-1)) |
136 | fsc += sizeof("xri://")-1; | 136 | fsc += sizeof("xri://")-1; |
137 | if((fsc+1)>=lsc) | 137 | if((fsc+1)>=lsc) |
138 | throw bad_input(OPKELE_CP_ "not a character of importance in identity"); | 138 | throw bad_input(OPKELE_CP_ "not a character of importance in identity"); |
139 | string id(identity,fsc,lsc-fsc+1); | 139 | string id(identity,fsc,lsc-fsc+1); |
140 | idis.clear(); | 140 | idis.clear(); |
141 | if(strchr(data::_iname_leaders,id[0])) { | 141 | if(strchr(data::_iname_leaders,id[0])) { |
142 | /* TODO: further normalize xri identity? Like folding case | 142 | /* TODO: further normalize xri identity? Like folding case |
143 | * or whatever... */ | 143 | * or whatever... */ |
144 | rv = id; | 144 | rv = id; |
145 | set<string> cids; | 145 | set<string> cids; |
146 | for(const struct service_type_t *st=op_service_types; | 146 | for(const struct service_type_t *st=op_service_types; |
147 | st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) { | 147 | st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) { |
148 | idis.clear(); | 148 | idis.clear(); |
149 | discover_at( idis, | 149 | discover_at( idis, |
150 | xri_proxy + util::url_encode(id)+ | 150 | xri_proxy + util::url_encode(id)+ |
151 | "?_xrd_t="+util::url_encode(st->uri)+ | 151 | "?_xrd_t="+util::url_encode(st->uri)+ |
152 | "&_xrd_r=application/xrd%2Bxml" | 152 | "&_xrd_r=application/xrd%2Bxml" |
153 | ";sep=true;refs=true", | 153 | ";sep=true;refs=true", |
154 | xmode_xrd ); | 154 | xmode_xrd ); |
155 | if(status_code==241) continue; | 155 | if(status_code==241) continue; |
156 | if(status_code!=100) | 156 | if(status_code!=100) |
157 | throw failed_xri_resolution(OPKELE_CP_ | 157 | throw failed_xri_resolution(OPKELE_CP_ |
158 | "XRI resolution failed with '"+status_string+"' message" | 158 | "XRI resolution failed with '"+status_string+"' message" |
159 | ", while looking for SEP with type '"+st->uri+"'", status_code); | 159 | ", while looking for SEP with type '"+st->uri+"'", status_code); |
160 | if(idis.xrd.canonical_ids.empty()) | 160 | if(idis.xrd.canonical_ids.empty()) |
161 | throw opkele::failed_discovery(OPKELE_CP_ "No CanonicalID for XRI identity found"); | 161 | throw opkele::failed_discovery(OPKELE_CP_ "No CanonicalID for XRI identity found"); |
162 | string cid = idis.xrd.canonical_ids.begin()->second; | 162 | string cid = idis.xrd.canonical_ids.begin()->second; |
163 | if(cids.find(cid)==cids.end()) { | 163 | if(cids.find(cid)==cids.end()) { |
164 | cids.insert(cid); | 164 | cids.insert(cid); |
165 | idis.clear(); | 165 | idis.clear(); |
166 | discover_at( idis, | 166 | discover_at( idis, |
167 | xri_proxy + util::url_encode(id)+ | 167 | xri_proxy + util::url_encode(id)+ |
168 | "?_xrd_t="+util::url_encode(st->uri)+ | 168 | "?_xrd_t="+util::url_encode(st->uri)+ |
169 | "&_xrd_r=application/xrd%2Bxml" | 169 | "&_xrd_r=application/xrd%2Bxml" |
170 | ";sep=true;refs=true", | 170 | ";sep=true;refs=true", |
171 | xmode_xrd ); | 171 | xmode_xrd ); |
172 | if(status_code==241) continue; | 172 | if(status_code==241) continue; |
173 | if(status_code!=100) | 173 | if(status_code!=100) |
174 | throw failed_xri_resolution(OPKELE_CP_ | 174 | throw failed_xri_resolution(OPKELE_CP_ |
175 | "XRI resolution failed with '"+status_string+"' message" | 175 | "XRI resolution failed with '"+status_string+"' message" |
176 | ", while looking for SEP with type '"+st->uri+"'" | 176 | ", while looking for SEP with type '"+st->uri+"'" |
177 | " on canonical id", status_code); | 177 | " on canonical id", status_code); |
178 | } | 178 | } |
179 | idis.canonicalized_id = cid; | 179 | idis.canonicalized_id = cid; |
180 | idis.normalized_id = rv; idis.xri_identity = true; | 180 | idis.normalized_id = rv; idis.xri_identity = true; |
181 | queue_endpoints(oi,idis,st); | 181 | queue_endpoints(oi,idis,st); |
182 | } | 182 | } |
183 | }else{ | 183 | }else{ |
184 | idis.xri_identity = false; | 184 | idis.xri_identity = false; |
185 | if(id.find("://")==string::npos) | 185 | if(id.find("://")==string::npos) |
186 | id.insert(0,"http://"); | 186 | id.insert(0,"http://"); |
187 | string::size_type fp = id.find('#'); | 187 | string::size_type fp = id.find('#'); |
188 | if(fp!=string::npos) { | 188 | if(fp!=string::npos) { |
189 | string::size_type qp = id.find('?'); | 189 | string::size_type qp = id.find('?'); |
190 | if(qp==string::npos || qp<fp) | 190 | if(qp==string::npos || qp<fp) |
191 | id.erase(fp); | 191 | id.erase(fp); |
192 | else if(qp>fp) | 192 | else if(qp>fp) |
193 | id.erase(fp,qp-fp); | 193 | id.erase(fp,qp-fp); |
194 | } | 194 | } |
195 | rv = idis.normalized_id = util::rfc_3986_normalize_uri(id); | 195 | rv = idis.normalized_id = util::rfc_3986_normalize_uri(id); |
196 | discover_at(idis,id,xmode_html|xmode_xrd); | 196 | discover_at(idis,id,xmode_html|xmode_xrd); |
197 | const char * eu = 0; | 197 | const char * eu = 0; |
198 | CURLcode r = easy_getinfo(CURLINFO_EFFECTIVE_URL,&eu); | 198 | CURLcode r = easy_getinfo(CURLINFO_EFFECTIVE_URL,&eu); |
199 | if(r) | 199 | if(r) |
200 | throw exception_curl(OPKELE_CP_ "failed to get CURLINFO_EFFECTIVE_URL",r); | 200 | throw exception_curl(OPKELE_CP_ "failed to get CURLINFO_EFFECTIVE_URL",r); |
201 | string cid = util::strip_uri_fragment_part( idis.canonicalized_id = util::rfc_3986_normalize_uri(eu) ); | 201 | string cid = util::strip_uri_fragment_part( idis.canonicalized_id = util::rfc_3986_normalize_uri(eu) ); |
202 | if(xrds_location.empty()) { | 202 | if(xrds_location.empty()) { |
203 | if(idis.xrd.empty()) | 203 | if(idis.xrd.empty()) |
204 | html2xrd(oi,idis); | 204 | html2xrd(oi,idis); |
205 | else{ | 205 | else{ |
206 | for(const service_type_t *st=op_service_types; | 206 | for(const service_type_t *st=op_service_types; |
207 | st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) | 207 | st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) |
208 | queue_endpoints(oi,idis,st); | 208 | queue_endpoints(oi,idis,st); |
209 | } | 209 | } |
210 | }else{ | 210 | }else{ |
211 | idis.clear(); | 211 | idis.clear(); |
212 | idis.canonicalized_id = cid; | 212 | idis.canonicalized_id = cid; |
213 | discover_at(idis,xrds_location,xmode_xrd); | 213 | discover_at(idis,xrds_location,xmode_xrd); |
214 | if(idis.xrd.empty()) | 214 | if(idis.xrd.empty()) |
215 | html2xrd(oi,idis); | 215 | html2xrd(oi,idis); |
216 | else{ | 216 | else{ |
217 | for(const service_type_t *st=op_service_types; | 217 | for(const service_type_t *st=op_service_types; |
218 | st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) | 218 | st<&op_service_types[sizeof(op_service_types)/sizeof(*op_service_types)];++st) |
219 | queue_endpoints(oi,idis,st); | 219 | queue_endpoints(oi,idis,st); |
220 | } | 220 | } |
221 | } | 221 | } |
222 | } | 222 | } |
223 | return rv; | 223 | return rv; |
224 | } | 224 | } |
225 | 225 | ||
226 | void discover_at(idiscovery_t& idis,const string& url,int xm) { | 226 | void discover_at(idiscovery_t& idis,const string& url,int xm) { |
227 | CURLcode r = easy_setopt(CURLOPT_MAXREDIRS, (xm&xmode_noredirs)?0:5); | 227 | CURLcode r = easy_setopt(CURLOPT_MAXREDIRS, (xm&xmode_noredirs)?0:5); |
228 | if(r) | 228 | if(r) |
229 | throw exception_curl(OPKELE_CP_ "failed to set curly maxredirs option"); | 229 | throw exception_curl(OPKELE_CP_ "failed to set curly maxredirs option"); |
230 | if( (r=easy_setopt(CURLOPT_URL,url.c_str())) ) | 230 | if( (r=easy_setopt(CURLOPT_URL,url.c_str())) ) |
231 | throw exception_curl(OPKELE_CP_ "failed to set curly urlie",r); | 231 | throw exception_curl(OPKELE_CP_ "failed to set curly urlie",r); |
232 | 232 | ||
233 | http_content_type.clear(); | 233 | http_content_type.clear(); |
234 | xmode = xm; | 234 | xmode = xm; |
235 | prepare_to_parse(); | 235 | prepare_to_parse(); |
236 | if(xmode&xmode_html) { | 236 | if(xmode&xmode_html) { |
237 | xrds_location.clear(); | 237 | xrds_location.clear(); |
238 | save_html.clear(); | 238 | save_html.clear(); |
239 | save_html.reserve(max_html); | 239 | save_html.reserve(max_html); |
240 | } | 240 | } |
241 | xrd = &idis.xrd; | 241 | xrd = &idis.xrd; |
242 | 242 | ||
243 | r = easy_perform(); | 243 | r = easy_perform(); |
244 | if(r && r!=CURLE_WRITE_ERROR) | 244 | if(r && r!=CURLE_WRITE_ERROR) |
245 | throw exception_curl(OPKELE_CP_ "failed to perform curly request",r); | 245 | throw exception_curl(OPKELE_CP_ "failed to perform curly request",r); |
246 | 246 | ||
247 | if(!parser_choked) { | 247 | if(!parser_choked) { |
248 | parse(0,0,true); | 248 | parse(0,0,true); |
249 | }else if(xmode&xmode_html){ | 249 | }else if(xmode&xmode_html){ |
250 | /* TODO: do not bother if we've seen xml */ | 250 | /* TODO: do not bother if we've seen xml */ |
251 | try { | 251 | try { |
252 | util::tidy_doc_t td = util::tidy_doc_t::create(); | 252 | util::tidy_doc_t td = util::tidy_doc_t::create(); |
253 | if(!td) | 253 | if(!td) |
254 | throw exception_tidy(OPKELE_CP_ "failed to create htmltidy document"); | 254 | throw exception_tidy(OPKELE_CP_ "failed to create htmltidy document"); |
255 | #ifndef NDEBUG | 255 | #ifndef NDEBUG |
256 | td.opt_set(TidyQuiet,false); | 256 | td.opt_set(TidyQuiet,false); |
257 | td.opt_set(TidyShowWarnings,false); | 257 | td.opt_set(TidyShowWarnings,false); |
258 | #endif /* NDEBUG */ | 258 | #endif /* NDEBUG */ |
259 | td.opt_set(TidyForceOutput,true); | 259 | td.opt_set(TidyForceOutput,true); |
260 | td.opt_set(TidyXhtmlOut,true); | 260 | td.opt_set(TidyXhtmlOut,true); |
261 | td.opt_set(TidyDoctypeMode,TidyDoctypeOmit); | 261 | td.opt_set(TidyDoctypeMode,TidyDoctypeOmit); |
262 | td.opt_set(TidyMark,false); | 262 | td.opt_set(TidyMark,false); |
263 | td.opt_set(TidyNumEntities,true); | ||
263 | if(td.parse_string(save_html)<=0) | 264 | if(td.parse_string(save_html)<=0) |
264 | throw exception_tidy(OPKELE_CP_ "tidy failed to parse document"); | 265 | throw exception_tidy(OPKELE_CP_ "tidy failed to parse document"); |
265 | if(td.clean_and_repair()<=0) | 266 | if(td.clean_and_repair()<=0) |
266 | throw exception_tidy(OPKELE_CP_ "tidy failed to clean and repair"); | 267 | throw exception_tidy(OPKELE_CP_ "tidy failed to clean and repair"); |
267 | util::tidy_buf_t tide; | 268 | util::tidy_buf_t tide; |
268 | if(td.save_buffer(tide)<=0) | 269 | if(td.save_buffer(tide)<=0) |
269 | throw exception_tidy(OPKELE_CP_ "tidy failed to save buffer"); | 270 | throw exception_tidy(OPKELE_CP_ "tidy failed to save buffer"); |
270 | prepare_to_parse(); | 271 | prepare_to_parse(); |
271 | parse(tide.c_str(),tide.size(),true); | 272 | parse(tide.c_str(),tide.size(),true); |
272 | }catch(exception_tidy& et) { } | 273 | }catch(exception_tidy& et) { } |
273 | } | 274 | } |
274 | save_html.clear(); | 275 | save_html.clear(); |
275 | } | 276 | } |
276 | 277 | ||
277 | void prepare_to_parse() { | 278 | void prepare_to_parse() { |
278 | (*(expat_t*)this) = parser_create_ns(); | 279 | (*(expat_t*)this) = parser_create_ns(); |
279 | set_user_data(); set_element_handler(); | 280 | set_user_data(); set_element_handler(); |
280 | set_character_data_handler(); | 281 | set_character_data_handler(); |
281 | 282 | ||
282 | if(xmode&xmode_html) { | 283 | if(xmode&xmode_html) { |
283 | html_openid1.clear(); html_openid2.clear(); | 284 | html_openid1.clear(); html_openid2.clear(); |
284 | parser_choked = false; | 285 | parser_choked = false; |
285 | } | 286 | } |
286 | 287 | ||
287 | cdata = 0; xrd_service = 0; skipping = 0; | 288 | cdata = 0; xrd_service = 0; skipping = 0; |
288 | pt_stack.clear(); | 289 | pt_stack.clear(); |
289 | status_code = 100; status_string.clear(); | 290 | status_code = 100; status_string.clear(); |
290 | } | 291 | } |
291 | 292 | ||
292 | void html2xrd(endpoint_discovery_iterator& oi,idiscovery_t& id) { | 293 | void html2xrd(endpoint_discovery_iterator& oi,idiscovery_t& id) { |
293 | XRD_t& x = id.xrd; | 294 | XRD_t& x = id.xrd; |
294 | if(!html_openid2.uris.empty()) { | 295 | if(!html_openid2.uris.empty()) { |
295 | html_openid2.types.insert(STURI_OPENID20); | 296 | html_openid2.types.insert(STURI_OPENID20); |
296 | x.services.add(-1,html_openid2); | 297 | x.services.add(-1,html_openid2); |
297 | queue_endpoints(oi,id,&op_service_types[st_index_2]); | 298 | queue_endpoints(oi,id,&op_service_types[st_index_2]); |
298 | } | 299 | } |
299 | if(!html_openid1.uris.empty()) { | 300 | if(!html_openid1.uris.empty()) { |
300 | html_openid1.types.insert(STURI_OPENID11); | 301 | html_openid1.types.insert(STURI_OPENID11); |
301 | x.services.add(-1,html_openid1); | 302 | x.services.add(-1,html_openid1); |
302 | queue_endpoints(oi,id,&op_service_types[st_index_1]); | 303 | queue_endpoints(oi,id,&op_service_types[st_index_1]); |
303 | } | 304 | } |
304 | } | 305 | } |
305 | 306 | ||
306 | size_t write(void *p,size_t s,size_t nm) { | 307 | size_t write(void *p,size_t s,size_t nm) { |
307 | /* TODO: limit total size */ | 308 | /* TODO: limit total size */ |
308 | size_t bytes = s*nm; | 309 | size_t bytes = s*nm; |
309 | const char *inbuf = (const char*)p; | 310 | const char *inbuf = (const char*)p; |
310 | if(xmode&xmode_html) { | 311 | if(xmode&xmode_html) { |
311 | size_t mbts = save_html.capacity()-save_html.size(); | 312 | size_t mbts = save_html.capacity()-save_html.size(); |
312 | size_t bts = 0; | 313 | size_t bts = 0; |
313 | if(mbts>0) { | 314 | if(mbts>0) { |
314 | bts = (bytes>mbts)?mbts:bytes; | 315 | bts = (bytes>mbts)?mbts:bytes; |
315 | save_html.append(inbuf,bts); | 316 | save_html.append(inbuf,bts); |
316 | } | 317 | } |
317 | if(skipping<0) return bts; | 318 | if(skipping<0) return bts; |
318 | } | 319 | } |
319 | if(skipping<0) return 0; | 320 | if(skipping<0) return 0; |
320 | bool rp = parse(inbuf,bytes,false); | 321 | bool rp = parse(inbuf,bytes,false); |
321 | if(!rp) { | 322 | if(!rp) { |
322 | parser_choked = true; | 323 | parser_choked = true; |
323 | skipping = -1; | 324 | skipping = -1; |
324 | if(!(xmode&xmode_html)) | 325 | if(!(xmode&xmode_html)) |
325 | bytes = 0; | 326 | bytes = 0; |
326 | } | 327 | } |
327 | return bytes; | 328 | return bytes; |
328 | } | 329 | } |
329 | size_t header(void *p,size_t s,size_t nm) { | 330 | size_t header(void *p,size_t s,size_t nm) { |
330 | size_t bytes = s*nm; | 331 | size_t bytes = s*nm; |
331 | const char *h = (const char*)p; | 332 | const char *h = (const char*)p; |
332 | const char *colon = (const char*)memchr(p,':',bytes); | 333 | const char *colon = (const char*)memchr(p,':',bytes); |
333 | const char *space = (const char*)memchr(p,' ',bytes); | 334 | const char *space = (const char*)memchr(p,' ',bytes); |
334 | if(space && ( (!colon) || space<colon ) ) { | 335 | if(space && ( (!colon) || space<colon ) ) { |
335 | xrds_location.clear(); http_content_type.clear(); | 336 | xrds_location.clear(); http_content_type.clear(); |
336 | }else if(colon) { | 337 | }else if(colon) { |
337 | const char *hv = ++colon; | 338 | const char *hv = ++colon; |
338 | size_t hnl = colon-h; | 339 | size_t hnl = colon-h; |
339 | int rb; | 340 | int rb; |
340 | for(rb = bytes-hnl-1;rb>0 && isspace(*hv);++hv,--rb); | 341 | for(rb = bytes-hnl-1;rb>0 && isspace(*hv);++hv,--rb); |
341 | while(rb>0 && isspace(hv[rb-1])) --rb; | 342 | while(rb>0 && isspace(hv[rb-1])) --rb; |
342 | if(rb) { | 343 | if(rb) { |
343 | if( (hnl>=sizeof(XRDS_HEADER)) | 344 | if( (hnl>=sizeof(XRDS_HEADER)) |
344 | && !strncasecmp(h,XRDS_HEADER":", | 345 | && !strncasecmp(h,XRDS_HEADER":", |
345 | sizeof(XRDS_HEADER)) ) { | 346 | sizeof(XRDS_HEADER)) ) { |
346 | xrds_location.assign(hv,rb); | 347 | xrds_location.assign(hv,rb); |
347 | }else if( (hnl>=sizeof(CT_HEADER)) | 348 | }else if( (hnl>=sizeof(CT_HEADER)) |
348 | && !strncasecmp(h,CT_HEADER":", | 349 | && !strncasecmp(h,CT_HEADER":", |
349 | sizeof(CT_HEADER)) ) { | 350 | sizeof(CT_HEADER)) ) { |
350 | const char *sc = (const char*)memchr( | 351 | const char *sc = (const char*)memchr( |
351 | hv,';',rb); | 352 | hv,';',rb); |
352 | http_content_type.assign(hv,sc?(sc-hv):rb); | 353 | http_content_type.assign(hv,sc?(sc-hv):rb); |
353 | } | 354 | } |
354 | } | 355 | } |
355 | } | 356 | } |
356 | return curl_t::header(p,s,nm); | 357 | return curl_t::header(p,s,nm); |
357 | } | 358 | } |
358 | 359 | ||
359 | void start_element(const XML_Char *n,const XML_Char **a) { | 360 | void start_element(const XML_Char *n,const XML_Char **a) { |
360 | if(skipping<0) return; | 361 | if(skipping<0) return; |
361 | if(skipping) { | 362 | if(skipping) { |
362 | if(xmode&xmode_html) | 363 | if(xmode&xmode_html) |
363 | html_start_element(n,a); | 364 | html_start_element(n,a); |
364 | ++skipping; return; | 365 | ++skipping; return; |
365 | } | 366 | } |
366 | if(pt_stack.empty()) { | 367 | if(pt_stack.empty()) { |
367 | if(is_qelement(n,NSURI_XRDS "\tXRDS")) | 368 | if(is_qelement(n,NSURI_XRDS "\tXRDS")) |
368 | return; | 369 | return; |
369 | if(is_qelement(n,NSURI_XRD "\tXRD")) { | 370 | if(is_qelement(n,NSURI_XRD "\tXRD")) { |
370 | assert(xrd); | 371 | assert(xrd); |
371 | xrd->clear(); | 372 | xrd->clear(); |
372 | pt_stack.push_back(n); | 373 | pt_stack.push_back(n); |
373 | }else if(xmode&xmode_html) { | 374 | }else if(xmode&xmode_html) { |
374 | html_start_element(n,a); | 375 | html_start_element(n,a); |
375 | }else{ | 376 | }else{ |
376 | skipping = -1; | 377 | skipping = -1; |
377 | } | 378 | } |
378 | }else{ | 379 | }else{ |
379 | int pt_s = pt_stack.size(); | 380 | int pt_s = pt_stack.size(); |
380 | if(pt_s==1) { | 381 | if(pt_s==1) { |
381 | if(is_qelement(n,NSURI_XRD "\tCanonicalID")) { | 382 | if(is_qelement(n,NSURI_XRD "\tCanonicalID")) { |
382 | assert(xrd); | 383 | assert(xrd); |
383 | cdata = &(xrd->canonical_ids.add(element_priority(a),string())); | 384 | cdata = &(xrd->canonical_ids.add(element_priority(a),string())); |
384 | }else if(is_qelement(n,NSURI_XRD "\tLocalID")) { | 385 | }else if(is_qelement(n,NSURI_XRD "\tLocalID")) { |
385 | assert(xrd); | 386 | assert(xrd); |
386 | cdata = &(xrd->local_ids.add(element_priority(a),string())); | 387 | cdata = &(xrd->local_ids.add(element_priority(a),string())); |
387 | }else if(is_qelement(n,NSURI_XRD "\tProviderID")) { | 388 | }else if(is_qelement(n,NSURI_XRD "\tProviderID")) { |
388 | assert(xrd); | 389 | assert(xrd); |
389 | cdata = &(xrd->provider_id); | 390 | cdata = &(xrd->provider_id); |
390 | }else if(is_qelement(n,NSURI_XRD "\tService")) { | 391 | }else if(is_qelement(n,NSURI_XRD "\tService")) { |