1 #include "../../include/http/ipagehandler.h"
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2 #include "../../include/http/httpdefs.h"
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3 #include "../../include/stringfunctions.h"
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9 void IPageHandler::CreateArgArray(const std::map<std::string,std::string> &vars, const std::string &basename, std::vector<std::string> &args)
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11 for(std::map<std::string,std::string>::const_iterator i=vars.begin(); i!=vars.end(); i++)
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13 if((*i).first.find(basename)==0 && (*i).first.find("[")!=std::string::npos && (*i).first.find("]")!=std::string::npos)
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16 std::string indexstr;
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17 std::string::size_type startpos;
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18 std::string::size_type endpos;
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19 startpos=(*i).first.find("[");
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20 endpos=(*i).first.find("]");
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22 indexstr=(*i).first.substr(startpos+1,(endpos-startpos)-1);
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23 StringFunctions::Convert(indexstr,index);
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25 while(args.size()<index+1)
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29 args[index]=(*i).second;
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34 const bool IPageHandler::Handle(shttpd_arg *arg)
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36 const char *uri=shttpd_get_env(arg,"REQUEST_URI");
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37 const char *method=shttpd_get_env(arg,"REQUEST_METHOD");
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38 std::string methodstr="";
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44 if(uri && WillHandleURI(std::string(uri)))
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46 httpstate *mystate=(httpstate *)arg->state;
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48 // first check if there was a connection error - if so delete the input/output and state buffers and return immediately
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49 if((arg->flags & SHTTPD_CONNECTION_ERROR)==SHTTPD_CONNECTION_ERROR)
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51 if(mystate && mystate->m_indata)
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53 delete mystate->m_indata;
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54 mystate->m_indata=NULL;
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56 if(mystate && mystate->m_outdata)
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58 delete mystate->m_outdata;
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59 mystate->m_outdata=NULL;
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69 // this is a new request - create a new arg object
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70 if(arg->state==NULL)
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72 arg->state=new httpstate;
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73 memset(arg->state,0,sizeof(httpstate));
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74 mystate=(httpstate *)arg->state;
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76 // if post then create input buffer
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77 if(methodstr=="POST")
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79 const char *lenstr=shttpd_get_header(arg,"Content-Length");
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83 StringFunctions::Convert(std::string(lenstr),len);
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84 mystate->m_indata=new char[len+1];
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85 mystate->m_indata[len]='\0';
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86 mystate->m_indatalen=len;
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87 mystate->m_indatapos=0;
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92 // we have more POST data to get
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96 while(pos<arg->in.len)
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98 mystate->m_indata[mystate->m_indatapos++]=arg->in.buf[pos++];
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100 arg->in.num_bytes=arg->in.len;
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103 // we have all POST data (or it was 0 to begin with) - generate the page
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104 if(mystate->m_indatalen==mystate->m_indatapos && mystate->m_outdata==NULL)
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106 //parse POST data and any QUERY_STRING before generating page
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107 std::map<std::string,std::string> args;
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108 std::vector<std::string> argparts;
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109 std::string contenttype="";
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111 if(shttpd_get_header(arg,"Content-Type"))
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113 contenttype=shttpd_get_header(arg,"Content-Type");
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116 if(contenttype.find("multipart/form-data")!=std::string::npos)
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118 HandleMultiPartData(contenttype,mystate->m_indata,mystate->m_indatalen,args);
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122 // split apart non-multipart POST
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123 if(mystate->m_indata)
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125 StringFunctions::Split(mystate->m_indata,"&",argparts);
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127 // split apart query string
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128 if(shttpd_get_env(arg,"QUERY_STRING"))
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130 StringFunctions::Split(shttpd_get_env(arg,"QUERY_STRING"),"&",argparts);
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133 for(std::vector<std::string>::iterator argi=argparts.begin(); argi!=argparts.end(); argi++)
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135 std::vector<std::string> parts;
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136 StringFunctions::Split((*argi),"=",parts);
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139 // replace + with space before UriDecoding
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140 parts[0]=StringFunctions::Replace(parts[0],"+"," ");
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141 args[StringFunctions::UriDecode(parts[0])];
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144 // replace + with space before UriDecoding
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145 parts[1]=StringFunctions::Replace(parts[1],"+"," ");
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146 args[StringFunctions::UriDecode(parts[0])]=StringFunctions::UriDecode(parts[1]);
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152 std::string page=GeneratePage(methodstr,args);
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153 mystate->m_outdata=new char[page.size()];
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154 memcpy(mystate->m_outdata,page.c_str(),page.size());
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155 mystate->m_outdatalen=page.size();
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156 mystate->m_outdatapos=0;
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159 // if we have output data, push next block of data onto out buffer
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160 if(mystate->m_outdata && mystate->m_outdatapos<mystate->m_outdatalen)
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163 while(mystate->m_outdatapos<mystate->m_outdatalen && pos<arg->out.len)
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165 arg->out.buf[pos++]=mystate->m_outdata[mystate->m_outdatapos++];
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167 arg->out.num_bytes=pos;
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170 // if we have no more output data to send - delete the data pointers and set end of output flag
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171 if(mystate->m_outdata && mystate->m_outdatapos==mystate->m_outdatalen)
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173 if(mystate->m_indata)
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175 delete [] mystate->m_indata;
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177 if(mystate->m_outdata)
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179 delete [] mystate->m_outdata;
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184 arg->flags|=SHTTPD_END_OF_OUTPUT;
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195 void IPageHandler::HandleMultiPartData(const std::string &contenttypeheader, char *data, const long datalen, std::map<std::string,std::string> &args)
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199 std::string datastr(data,data+datalen);
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200 std::vector<std::string> parts;
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201 std::string boundary="";
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202 std::string::size_type pos=contenttypeheader.find("boundary=");
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205 if(pos!=std::string::npos)
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207 boundary=contenttypeheader.substr(pos+9);
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208 // strip off any " and ;
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209 boundary=StringFunctions::Replace(boundary,"\"","");
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210 boundary=StringFunctions::Replace(boundary,";","");
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213 // split into parts separated by boundary
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214 StringFunctions::Split(datastr,"--"+boundary+"\r\n",parts);
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216 // go through each part and get name=value
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217 for(std::vector<std::string>::iterator i=parts.begin(); i!=parts.end(); i++)
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219 std::string data="";
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220 std::string name="";
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223 pos=(*i).find("name=");
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224 if(pos!=std::string::npos)
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226 std::string::size_type pos2=(*i).find(";",pos);
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227 if(pos2!=std::string::npos)
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229 name=(*i).substr(pos+5,pos2-(pos+5));
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233 pos2=(*i).find("\r\n",pos);
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234 if(pos2!=std::string::npos)
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236 name=(*i).substr(pos+5,pos2-(pos+5));
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240 name=StringFunctions::Replace(name,"\"","");
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243 // find header boundary
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244 pos=(*i).find("\r\n\r\n");
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245 if(pos!=std::string::npos)
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247 data=(*i).substr(pos+4);
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248 // strip off final \r\n from data
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249 if(data.size()>2 && data.rfind("\r\n")==data.size()-2)
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251 data.erase(data.size()-2);
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254 if(name!="" && data!="")
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262 const std::string IPageHandler::SanitizeOutput(const std::string &input)
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264 // must do & first because all other elements have & in them!
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265 std::string output=StringFunctions::Replace(input,"&","&");
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266 output=StringFunctions::Replace(output,"<","<");
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267 output=StringFunctions::Replace(output,">",">");
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268 output=StringFunctions::Replace(output,"\"",""");
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269 output=StringFunctions::Replace(output," "," ");
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