| -rw-r--r-- | lib/discovery.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/discovery.cc b/lib/discovery.cc index 9503b5d..ea53786 100644 --- a/lib/discovery.cc +++ b/lib/discovery.cc @@ -51,193 +51,193 @@ namespace opkele { }; int xmode; string xrds_location; string http_content_type; service_t html_openid1; service_t html_openid2; string cdata_buf; long status_code; string status_string; typedef list<string> pt_stack_t; pt_stack_t pt_stack; int skipping; XRD_t *xrd; service_t *xrd_service; string* cdata; idigger_t() : util::curl_t(easy_init()), util::expat_t(0), xri_proxy(XRI_PROXY_URL) { CURLcode r; (r=misc_sets()) || (r=set_write()) || (r=set_header()) ; if(r) throw exception_curl(OPKELE_CP_ "failed to set curly options",r); } ~idigger_t() throw() { } void discover(idiscovery_t& result,const string& identity) { result.clear(); string::size_type fsc = identity.find_first_not_of(whitespace); if(fsc==string::npos) throw bad_input(OPKELE_CP_ "whtiespace-only identity"); string::size_type lsc = identity.find_last_not_of(whitespace); assert(lsc!=string::npos); if(!strncasecmp(identity.c_str()+fsc,"xri://",sizeof("xri://")-1)) fsc += sizeof("xri://")-1; if((fsc+1)>=lsc) throw bad_input(OPKELE_CP_ "not a character of importance in identity"); string id(identity,fsc,lsc-fsc+1); if(strchr(i_leaders,id[0])) { result.normalized_id = id; result.xri_identity = true; /* TODO: further canonicalize xri identity? Like folding case or whatever... */ discover_at( result, xri_proxy + util::url_encode(id)+ "?_xrd_r=application/xrd+xml;sep=false", xmode_xrd); if(status_code!=100) throw failed_xri_resolution(OPKELE_CP_ "XRI resolution failed with '"+status_string+"' message",status_code); if(result.xrd.canonical_ids.empty()) throw opkele::failed_discovery(OPKELE_CP_ "No CanonicalID for XRI identity found"); }else{ result.xri_identity = false; if(id.find("://")==string::npos) id.insert(0,"http://"); string::size_type fp = id.find('#'); if(fp!=string::npos) { string::size_type qp = id.find('?'); if(qp==string::npos || qp<fp) id.erase(fp); else if(qp>fp) id.erase(fp,qp-fp); } result.normalized_id = util::rfc_3986_normalize_uri(id); discover_at(result,id,xmode_html|xmode_xrd); const char * eu = 0; CURLcode r = easy_getinfo(CURLINFO_EFFECTIVE_URL,&eu); if(r) throw exception_curl(OPKELE_CP_ "failed to get CURLINFO_EFFECTIVE_URL",r); result.canonicalized_id = util::rfc_3986_normalize_uri(eu); /* XXX: strip fragment part? */ if(xrds_location.empty()) { html2xrd(result.xrd); }else{ discover_at(result,xrds_location,xmode_xrd); if(result.xrd.empty()) html2xrd(result.xrd); } } } void discover_at(idiscovery_t& result,const string& url,int xm) { CURLcode r = easy_setopt(CURLOPT_URL,url.c_str()); if(r) throw exception_curl(OPKELE_CP_ "failed to set culry urlie",r); (*(expat_t*)this) = parser_create_ns(); set_user_data(); set_element_handler(); set_character_data_handler(); - xrds_location.clear(); http_content_type.clear(); + http_content_type.clear(); xmode = xm; if(xmode&xmode_html) { xrds_location.clear(); html_openid1.clear(); html_openid2.clear(); } xrd = &result.xrd; cdata = 0; xrd_service = 0; skipping = 0; status_code = 100; status_string.clear(); r = easy_perform(); if(r && r!=CURLE_WRITE_ERROR) throw exception_curl(OPKELE_CP_ "failed to perform curly request",r); parse(0,0,true); } void html2xrd(XRD_t& x) { if(!html_openid1.uris.empty()) { html_openid1.types.insert(STURI_OPENID11); x.services.add(-1,html_openid1); } if(!html_openid2.uris.empty()) { html_openid2.types.insert(STURI_OPENID20); x.services.add(-1,html_openid2); } } size_t write(void *p,size_t s,size_t nm) { if(skipping<0) return 0; /* TODO: limit total size */ size_t bytes = s*nm; parse((const char *)p,bytes,false); return bytes; } size_t header(void *p,size_t s,size_t nm) { size_t bytes = s*nm; const char *h = (const char*)p; const char *colon = (const char*)memchr(p,':',bytes); const char *space = (const char*)memchr(p,' ',bytes); if(space && ( (!colon) || space<colon ) ) { xrds_location.clear(); http_content_type.clear(); }else if(colon) { const char *hv = ++colon; int hnl = colon-h; int rb; for(rb = bytes-hnl-1;rb>0 && isspace(*hv);++hv,--rb); while(rb>0 && isspace(hv[rb-1])) --rb; if(rb) { if( (hnl>=sizeof(XRDS_HEADER)) && !strncasecmp(h,XRDS_HEADER":", sizeof(XRDS_HEADER)) ) { xrds_location.assign(hv,rb); }else if( (hnl>=sizeof(CT_HEADER)) && !strncasecmp(h,CT_HEADER":", sizeof(CT_HEADER)) ) { const char *sc = (const char*)memchr( hv,';',rb); http_content_type.assign(hv,sc?(sc-hv):rb); } } } return curl_t::header(p,s,nm); } void start_element(const XML_Char *n,const XML_Char **a) { if(skipping<0) return; if(skipping) { if(xmode&xmode_html) html_start_element(n,a); ++skipping; return; } if(pt_stack.empty()) { if(is_qelement(n,NSURI_XRDS "\tXRDS")) return; if(is_qelement(n,NSURI_XRD "\tXRD")) { assert(xrd); xrd->clear(); pt_stack.push_back(n); }else if(xmode&xmode_html) { html_start_element(n,a); }else{ skipping = -1; } }else{ int pt_s = pt_stack.size(); if(pt_s==1) { /* TODO: xrd:XRD/xrd:Expires */ if(is_qelement(n,NSURI_XRD "\tCanonicalID")) { assert(xrd); cdata = &(xrd->canonical_ids.add(element_priority(a),string())); }else if(is_qelement(n,NSURI_XRD "\tLocalID")) { assert(xrd); cdata = &(xrd->local_ids.add(element_priority(a),string())); }else if(is_qelement(n,NSURI_XRD "\tService")) { assert(xrd); xrd_service = &(xrd->services.add(element_priority(a), |