| -rw-r--r-- | lib/consumer.cc | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/lib/consumer.cc b/lib/consumer.cc index 62bec71..66db7dd 100644 --- a/lib/consumer.cc +++ b/lib/consumer.cc @@ -283,129 +283,128 @@ namespace opkele { void consumer_t::retrieve_links(const string& url,string& server,string& delegate) { server.erase(); delegate.erase(); curl_pick_t curl = curl_pick_t::easy_init(); if(!curl) throw exception_curl(OPKELE_CP_ "failed to initialize curl"); string& html = curl.response; CURLcode r; (r=curl.misc_sets()) || (r=curl.easy_setopt(CURLOPT_URL,url.c_str())) || (r=curl.set_write()); ; if(r) throw exception_curl(OPKELE_CP_ "failed to set curly options",r); r = curl.easy_perform(); if(r && r!=CURLE_WRITE_ERROR) throw exception_curl(OPKELE_CP_ "failed to perform curly request",r); static const char *re_bre = "<\\s*body\\b", *re_hdre = "<\\s*head[^>]*>", *re_lre = "<\\s*link\\b([^>]+)>", *re_rre = "\\brel\\s*=\\s*['\"]([^'\"]+)['\"]", *re_hre = "\\bhref\\s*=\\s*['\"]\\s*([^'\"\\s]+)\\s*['\"]"; pcre_matches_t m1(3), m2(3); pcre_t bre(re_bre,PCRE_CASELESS); if(bre.exec(html,m1)>0) html.erase(m1.begin(0)); pcre_t hdre(re_hdre,PCRE_CASELESS); if(hdre.exec(html,m1)<=0) throw bad_input(OPKELE_CP_ "failed to find <head>"); html.erase(0,m1.end(0)+1); pcre_t lre(re_lre,PCRE_CASELESS), rre(re_rre,PCRE_CASELESS), hre(re_hre,PCRE_CASELESS); bool gotit = false; while( (!gotit) && lre.exec(html,m1)>=2 ) { static const char *whitespace = " \t"; string attrs(html,m1.begin(1),m1.length(1)); html.erase(0,m1.end(0)+1); if(!( rre.exec(attrs,m1)>=2 && hre.exec(attrs,m2)>=2 )) continue; string rels(attrs,m1.begin(1),m1.length(1)); for(string::size_type ns = rels.find_first_not_of(whitespace); ns!=string::npos; ns=rels.find_first_not_of(whitespace,ns)) { string::size_type s = rels.find_first_of(whitespace,ns); string rel; if(s==string::npos) { rel.assign(rels,ns,string::npos); ns=string::npos; }else{ rel.assign(rels,ns,s-ns); ns=s; } if(rel=="openid.server") { server.assign(attrs,m2.begin(1),m2.length(1)); if(!delegate.empty()) { gotit = true; break; } }else if(rel=="openid.delegate") { delegate.assign(attrs,m2.begin(1),m2.length(1)); if(!server.empty()) { gotit = true; break; } } - if(ns==string::npos) break; } } if(server.empty()) throw failed_assertion(OPKELE_CP_ "The location has no openid.server declaration"); } assoc_t consumer_t::find_assoc(const string& /* server */) { throw failed_lookup(OPKELE_CP_ "no find_assoc() provided"); } string consumer_t::normalize(const string& url) { string rv = url; // strip leading and trailing spaces string::size_type i = rv.find_first_not_of(" \t\r\n"); if(i==string::npos) throw bad_input(OPKELE_CP_ "empty URL"); if(i) rv.erase(0,i); i = rv.find_last_not_of(" \t\r\n"); assert(i!=string::npos); if(i<(rv.length()-1)) rv.erase(i+1); // add missing http:// i = rv.find("://"); if(i==string::npos) { // primitive. but do we need more? rv.insert(0,"http://"); i = sizeof("http://")-1; }else{ i += sizeof("://")-1; } string::size_type qm = rv.find('?',i); string::size_type sl = rv.find('/',i); if(qm!=string::npos) { if(sl==string::npos || sl>qm) rv.insert(qm,1,'/'); }else{ if(sl==string::npos) rv += '/'; } return rv; } string consumer_t::canonicalize(const string& url) { string rv = normalize(url); curl_t curl = curl_t::easy_init(); if(!curl) throw exception_curl(OPKELE_CP_ "failed to initialize curl()"); string html; CURLcode r; (r=curl.misc_sets()) || (r=curl.easy_setopt(CURLOPT_URL,rv.c_str())) || (r=curl.easy_setopt(CURLOPT_NOBODY,1)) ; if(r) throw exception_curl(OPKELE_CP_ "failed to set curly options",r); r = curl.easy_perform(); if(r) throw exception_curl(OPKELE_CP_ "failed to perform curly request",r); const char *eu = 0; r = curl.easy_getinfo(CURLINFO_EFFECTIVE_URL,&eu); if(r) throw exception_curl(OPKELE_CP_ "failed to get CURLINFO_EFFECTIVE_URL",r); rv = eu; return normalize(rv); |