diff options
Diffstat (limited to 'blog/sbs_2/cgi-src')
-rw-r--r-- | blog/sbs_2/cgi-src/cgiutils.hpp | 245 | ||||
-rwxr-xr-x | blog/sbs_2/cgi-src/get-archive-list | bin | 515680 -> 0 bytes | |||
-rw-r--r-- | blog/sbs_2/cgi-src/get-archive-list.cpp | 200 | ||||
-rwxr-xr-x | blog/sbs_2/cgi-src/get-post-content | bin | 39024 -> 0 bytes | |||
-rw-r--r-- | blog/sbs_2/cgi-src/get-post-content.cpp | 83 |
5 files changed, 0 insertions, 528 deletions
diff --git a/blog/sbs_2/cgi-src/cgiutils.hpp b/blog/sbs_2/cgi-src/cgiutils.hpp deleted file mode 100644 index 3eca4dc..0000000 --- a/blog/sbs_2/cgi-src/cgiutils.hpp +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright 2017 Chris Xiong - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -#ifndef CGILIB_HPP -#define CGILIB_HPP -#include <cstdlib> -#include <map> -#include <string> -#include <vector> -const char* base64_table="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; -std::string base64_encode(std::string s) -{ - std::string r=""; - for(unsigned i=0;i<s.length();i+=3) - { - int b=(s[i]&0xFC)>>2; - r+=base64_table[b]; - b=(s[i]&0x03)<<4; - if(i+1<s.length()) - { - b|=(s[i+1]&0xF0)>>4; - r+=base64_table[b]; - b=(s[i+1]&0x0F)<<2; - if(i+2<s.length()) - { - b|=(s[i+2]&0xC0)>>6; - r+=base64_table[b]; - b=s[i+2]&0x3F; - r+=base64_table[b]; - }else r+=base64_table[b],r+='='; - }else r+=base64_table[b],r+="=="; - } - return r; -} -void split(std::string s,char c,std::vector<std::string>& v) -{ - v.clear(); - for(size_t anch=0;;) - { - std::string sec; - if(s.find(c,anch)==std::string::npos) - sec=s.substr(anch); - else sec=s.substr(anch,s.find(c,anch)-anch); - v.push_back(sec); - if(s.find(c,anch)==std::string::npos)break; - anch=s.find(c,anch)+1; - } -} -std::string trim(std::string s) -{ - int l=0;for(;isblank(s[l]);++l) - s=s.substr(l); - while(isblank(s.back()))s.pop_back(); - return s; -} -class QueryStrParser -{ - private: - std::map<std::string,std::string> q; - void parse(std::string es) - { - for(size_t anch=0;;) - { - std::string sec; - if(es.find('&',anch)==std::string::npos) - sec=es.substr(anch); - else sec=es.substr(anch,es.find('&',anch)-anch); - if(sec.find('=')==std::string::npos) - q[sec.substr(0)]=""; - else - q[sec.substr(0,sec.find('='))]=sec.substr(sec.find('=')+1); - if(es.find('&',anch)==std::string::npos)break; - anch=es.find('&',anch)+1; - } - } - public: - QueryStrParser() - { - char* e=getenv("QUERY_STRING"); - if(!e)return; - parse(std::string(e)); - } - QueryStrParser(std::string s) - { - parse(s); - } - bool exist(std::string s) - { - return q.find(s)!=q.end(); - } - std::string value(std::string s) - { - if(!exist(s))return ""; - return q.find(s)->second; - } -}; -class RequestCookies -{ - private: - std::map<std::string,std::string> m; - void parse(std::string cookie) - { - std::vector<std::string> v; - split(cookie,';',v); - } - public: - RequestCookies() - { - char* e=getenv("HTTP_COOKIE"); - if(!e)return; - parse(std::string(e)); - } -}; -class DOMAttrib -{ - private: - std::map<std::string,std::string> m; - public: - DOMAttrib(std::string s="") - { - for(size_t anch=0;;) - { - std::string sec; - if(s.find('"',anch)==std::string::npos) - sec=s.substr(anch); - else sec=s.substr(anch,s.find('"',s.find('"',anch)+1)-anch+1); - if(sec.find('=')==std::string::npos) - m[sec.substr(0)]=""; - else - m[sec.substr(0,sec.find('='))]=sec.substr(sec.find('=')+2), - m[sec.substr(0,sec.find('='))].pop_back(); - if(s.find(' ',anch+sec.length())==std::string::npos)break; - anch=s.find(' ',anch+sec.length())+1; - } - } - void setAttrib(std::string a,std::string v){m[a]=v;} - void eraseAttrib(std::string a){if(existAttrib(a))m.erase(m.find(a));} - bool existAttrib(std::string a){return m.find(a)!=m.end();} - std::string getAttrib(std::string a){if(!existAttrib(a))return "";return m[a];} - std::string to_string() - { - std::string r;bool cf=false; - for(auto i=m.begin();i!=m.end();++i) - { - if(cf)r+=' ';else cf=true; - r+=i->first+"=\""+i->second+"\""; - } - return r; - } -}; -static const char* twoxx[]={ - "OK", - "Created", - "Accepted", - "Non-Authoritative Information", - "No Content", - "Reset Content", - "Partial Content", - "Multi-Status", - "Already Reported" -}; -static const char* threexx[]={ - "Multiple Choices", - "Moved Permanently", - "Found", - "See Other", - "Not Modified", - "Use Proxy", - "???", - "Temporary Redirect" -}; -static const char* fourxx[]={ - "Bad Request", - "Unauthorized", - "Payment Required", - "Forbidden", - "Not Found", - "Method Not Allowed", - "Not Acceptable", - "Proxy Authentication Required", - "Request Timeout", - "Conflict", - "Gone", - "Length Required", - "Precondition Failed", - "Request Entity Too Large", - "Request-URI Too Long", - "Unsupported Media Type", - "Requested Range Not Satisfiable", - "Expectation Failed" -}; -static const char* fivexx[]={ - "Internal Server Error", - "Not Implemented", - "Bad Gateway", - "Service Unavailable", - "Gateway Timeout", - "HTTP Version Not Supported" -}; -class HTTPHeader -{ -private: - int status; - std::vector<std::string> hdr; -public: - HTTPHeader(){status=200;} - void setStatusCode(int c){status=c;} - int statusCode(){return status;} - void appendHeader(std::string s){hdr.push_back(s);} - void print() - { - if(status>=200&&status<=208) - printf("Status: %d %s\r\n",status,twoxx[status-200]); - if(status>=300&&status<=307) - printf("Status: %d %s\r\n",status,threexx[status-300]); - if(status>=400&&status<=417) - printf("Status: %d %s\r\n",status,fourxx[status-400]); - if(status>=500&&status<=505) - printf("Status: %d %s\r\n",status,fivexx[status-500]); - for(unsigned i=0;i<hdr.size();++i) - printf("%s\r\n",hdr[i].c_str()); - printf("\r\n"); - } -}; -#endif diff --git a/blog/sbs_2/cgi-src/get-archive-list b/blog/sbs_2/cgi-src/get-archive-list Binary files differdeleted file mode 100755 index 4285a4d..0000000 --- a/blog/sbs_2/cgi-src/get-archive-list +++ /dev/null diff --git a/blog/sbs_2/cgi-src/get-archive-list.cpp b/blog/sbs_2/cgi-src/get-archive-list.cpp deleted file mode 100644 index 28f316d..0000000 --- a/blog/sbs_2/cgi-src/get-archive-list.cpp +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Copyright 2017 Chris Xiong - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -/* - * Get list of archives - * query parameters: - * pn=<int>: page number, defaults to 0 - * pp=<int>: number of posts per page, defaults to 20 - * pc: if exists, gets how many pages are there from the current pp value - * f: tag filter. - * gt: get a list of tags used by posts instead. - * qn=<filename>: query the neibouring posts of the given post. - * returned object: - * A number if pc exists denoting number of pages. - * Or the following JSON object if gf exists. - * ["tag1","tag2",...] - * Or the following JSON object if qn exists. - * { - * "prev": <last post> - * "succ": <next post> - * } - * Otherwise returns archive list in JSON: - * { - * "postsPerPage": <requested pp> - * "postsOnPage": <number of posts on this page> - * "page": <requested pn> - * "posts": [ - * { - * "filename": ... - * "title": ... - * "date": ... - * "tags": ... - * }, - * ... - * ] - * } - */ -#include <dirent.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <cstdio> -#include <cstring> -#include <algorithm> -#include <functional> -#include <vector> -#include <map> -#include <set> -#include <string> -#include "cgiutils.hpp" -#define stripr(s) s[strlen(s)-1]=='\n'?s[strlen(s)-1]=0:0 -struct post -{ - std::string t,d,tg; -}; -std::map<std::string,post,std::greater<std::string>> f; -char buf[65536]; -int main(int argc,char** argv,char** envp) -{ - struct stat idxs,cdirs; - stat("/var/www/html/blog/content/pindex",&idxs); - stat("/var/www/html/blog/content",&cdirs); - if(cdirs.st_mtim.tv_sec>idxs.st_mtim.tv_sec) - system("/var/www/html/blog/content/util/indexer > /dev/null 2> /dev/null"); - QueryStrParser a; - FILE *fidx=fopen("/var/www/html/blog/content/pindex","r"); - while(fgets(buf,65536,fidx)) - { - stripr(buf);std::vector<std::string> v; - split(std::string(buf),'\t',v); - if(v.size()==4) - f[v[0]]=post{v[1],v[2],v[3]}; - } - fclose(fidx); - HTTPHeader h; - if(a.exist("gt")) - { - std::set<std::string> s; - std::vector<std::string> v; - for(auto i=f.begin();i!=f.end();++i) - { - split(i->second.tg,',',v); - for(size_t j=0;j<v.size();++j) - s.insert("\"#"+v[j]+"\""); - } - h.appendHeader("Content-type: text/plain; charset=utf-8"); - h.print(); - printf("["); - auto it=s.begin(); - printf("%s",it->c_str()); - while(++it!=s.end())printf(",%s",it->c_str()); - printf("]"); - } - else - { - if(a.exist("f")) - for(auto i=f.begin();i!=f.end();) - { - std::vector<std::string> v; - split(i->second.tg,',',v); - std::set<std::string> sv=std::set<std::string>(v.begin(),v.end()); - if(sv.find(a.value("f"))==sv.end()){auto t=i++;f.erase(t);} - else i++; - } - if(a.exist("pc")) - { - int pp=0; - if(!a.exist("pp"))pp=20; - else{ - try{ - pp=std::stoi(a.value("pp")); - }catch(std::exception e){h.setStatusCode(400);} - } - if(!pp)h.setStatusCode(400); - h.appendHeader("Content-type: text/plain; charset=utf-8"); - h.print(); - printf("%lu\n",f.size()/pp+((f.size()%pp)?1:0)); - return 0; - } - else if(a.exist("qn")) - { - if(f.find(a.value("qn"))==f.end()) - h.setStatusCode(400); - h.print();if(h.statusCode()>=400)return 0; - auto i=f.find(a.value("qn")); - std::string pr="",sc=""; - auto t=i;if(t!=f.begin())pr=(--t)->first; - t=i;if(!(++t==f.end()))sc=t->first; - printf("{\"prev\":\"%s\",\"succ\":\"%s\"}",sc.c_str(),pr.c_str()); - return 0; - } - else - { - unsigned pp=20,pn=0; - if(!a.exist("pp"))pp=20; - else{ - try{ - pp=std::stoi(a.value("pp")); - }catch(std::exception e){h.setStatusCode(400);} - } - if(!a.exist("pn"))pn=0; - else{ - try{ - pn=std::stoi(a.value("pn")); - }catch(std::exception e){h.setStatusCode(400);} - } - if(!pp)h.setStatusCode(400); - if(pn>=f.size()/pp+((f.size()%pp)?1:0))h.setStatusCode(400); - int rpp=(pn!=f.size()/pp+((f.size()%pp)?1:0)-1)?pp: - f.size()-pp*(f.size()/pp+((f.size()%pp)?1:0)-1); - h.appendHeader("Content-type: text/plain; charset=utf-8"); - h.print(); - if(h.statusCode()>=400)return 0; - puts("{"); - printf("\t\"postsPerPage\":%d,\n",pp); - printf("\t\"postsOnPage\":%d,\n",rpp); - printf("\t\"page\":%d,\n",pn); - puts("\t\"posts\": ["); - auto it=f.begin();std::advance(it,pn*pp); - for(int i=0;i<rpp-1;++i) - { - puts("\t\t{"); - printf("\t\t\t\"filename\":\"%s\",\n",it->first.c_str()); - printf("\t\t\t\"title\":\"%s\",\n",it->second.t.c_str()); - printf("\t\t\t\"date\":\"%s\",\n",it->second.d.c_str()); - printf("\t\t\t\"tags\":\"%s\"\n",it->second.tg.c_str()); - puts("\t\t},");++it; - } - puts("\t\t{"); - printf("\t\t\t\"filename\":\"%s\",\n",it->first.c_str()); - printf("\t\t\t\"title\":\"%s\",\n",it->second.t.c_str()); - printf("\t\t\t\"date\":\"%s\",\n",it->second.d.c_str()); - printf("\t\t\t\"tags\":\"%s\"\n",it->second.tg.c_str()); - puts("\t\t}"); - puts("\t]"); - puts("}"); - } - } - return 0; -} diff --git a/blog/sbs_2/cgi-src/get-post-content b/blog/sbs_2/cgi-src/get-post-content Binary files differdeleted file mode 100755 index e6701c8..0000000 --- a/blog/sbs_2/cgi-src/get-post-content +++ /dev/null diff --git a/blog/sbs_2/cgi-src/get-post-content.cpp b/blog/sbs_2/cgi-src/get-post-content.cpp deleted file mode 100644 index 62cd5d8..0000000 --- a/blog/sbs_2/cgi-src/get-post-content.cpp +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright 2017 Chris Xiong - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -/* - * Get content of a post - * query parameters: - * p=<string>: post file name - * returned object: - * HTML fragment of the post - */ -#include <dirent.h> -#include <cstdio> -#include <cstring> -#include <algorithm> -#include <functional> -#include <vector> -#include <string> -#include "cgiutils.hpp" -#define stripr(s) s[strlen(s)-1]=='\n'?s[strlen(s)-1]=0:0 -std::vector<std::string> fn; -char buf[262144]; -size_t sz; -void encrypt() -{ - std::string b(buf,sz); - for(size_t p=b.find("<encrypted"),i=0;p!=std::string::npos;p=b.find("<encrypted",p),++i) - { - size_t tag_end=b.find(">",p); - std::string attrib=b.substr(p+11,tag_end-p-11); - DOMAttrib a(attrib); - std::string cont=b.substr(tag_end+1,b.find("</encrypted>",p)-tag_end-1); - unsigned hash=5381; - std::string key=a.getAttrib("key"); - a.eraseAttrib("key"); - for(size_t j=0;j<cont.length();++j) - { - hash=((hash<<5)+hash)+*reinterpret_cast<unsigned char*>(&cont[j]); - cont[j]^=key[j%key.length()]; - } - a.setAttrib("encont",base64_encode(cont)); - a.setAttrib("hash",std::to_string(hash)); - a.setAttrib("id","encrypted"+std::to_string(i)); - cont="Encrypted content here. Click <a href=\"javascript:void(0)\" onclick=\"decryptui("+std::to_string(i)+")\">here</a> to decrypt."; - b.replace(p,b.find("</encrypted>",p)-p,"<encrypted "+a.to_string()+">"+cont); - p=b.find("</encrypted>",p); - } - memcpy(buf,b.c_str(),b.length());sz=b.length(); -} -int main(int argc,char** argv,char** envp) -{ - QueryStrParser a; - HTTPHeader h; - if(!a.exist("p")){h.setStatusCode(400);h.print();return 0;} - FILE* f=fopen(("/var/www/html/blog/content/"+a.value("p")+".txt").c_str(),"r"); - if(!f){h.setStatusCode(400);h.print();return 0;} - h.appendHeader("Content-type: text/plain; charset=utf-8"); - h.print(); - sz=fread(buf,sizeof(char),262144,f); - encrypt(); - fwrite(buf,sizeof(char),sz,stdout); - fclose(f); - return 0; -} |