1 | /* |
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2 | * Author : Gérald Fenoy |
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3 | * |
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4 | * Copyright 2008-2015 GeoLabs SARL. All rights reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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7 | * of this software and associated documentation files (the "Software"), to deal |
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8 | * in the Software without restriction, including without limitation the rights |
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9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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10 | * copies of the Software, and to permit persons to whom the Software is |
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11 | * furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice shall be included in |
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14 | * all copies or substantial portions of the Software. |
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15 | * |
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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22 | * THE SOFTWARE. |
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23 | */ |
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24 | |
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25 | #include <openssl/md5.h> |
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26 | #include <openssl/evp.h> |
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27 | #include "caching.h" |
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28 | #include "service.h" |
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29 | #include "service_internal.h" |
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30 | #include "response_print.h" |
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31 | |
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32 | /** |
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33 | * Compute md5 |
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34 | * |
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35 | * @param url the char* |
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36 | * @return a char* representing the md5 of the url |
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37 | * @warning make sure to free resources returned by this function |
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38 | */ |
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39 | char* getMd5(char* url){ |
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40 | EVP_MD_CTX md5ctx; |
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41 | char* fresult=(char*)malloc((EVP_MAX_MD_SIZE+1)*sizeof(char)); |
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42 | unsigned char result[EVP_MAX_MD_SIZE]; |
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43 | unsigned int len; |
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44 | EVP_DigestInit(&md5ctx, EVP_md5()); |
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45 | EVP_DigestUpdate(&md5ctx, url, strlen(url)); |
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46 | EVP_DigestFinal_ex(&md5ctx,result,&len); |
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47 | EVP_MD_CTX_cleanup(&md5ctx); |
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48 | int i; |
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49 | for(i = 0; i < len; i++){ |
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50 | if(i>0){ |
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51 | char *tmp=strdup(fresult); |
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52 | sprintf(fresult,"%s%02x", tmp,result[i]); |
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53 | free(tmp); |
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54 | } |
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55 | else |
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56 | sprintf(fresult,"%02x",result[i]); |
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57 | } |
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58 | return fresult; |
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59 | } |
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60 | |
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61 | /** |
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62 | * Compute md5 of a file |
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63 | * |
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64 | * @param file the char* |
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65 | * @return a char* representing the md5 of the url |
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66 | * @warning make sure to free resources returned by this function |
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67 | */ |
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68 | char* getMd5f(char* file){ |
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69 | EVP_MD_CTX md5ctx; |
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70 | char* fresult=(char*)malloc((EVP_MAX_MD_SIZE+1)*sizeof(char)); |
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71 | unsigned char result[EVP_MAX_MD_SIZE]; |
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72 | unsigned int len; |
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73 | int bytes; |
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74 | unsigned char data[1024]; |
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75 | FILE *inFile = fopen (file, "rb"); |
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76 | EVP_DigestInit(&md5ctx, EVP_md5()); |
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77 | while ((bytes = fread (data, 1, 1024, inFile)) != 0) |
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78 | EVP_DigestUpdate(&md5ctx, data, bytes); |
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79 | EVP_DigestFinal_ex(&md5ctx,result,&len); |
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80 | EVP_MD_CTX_cleanup(&md5ctx); |
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81 | int i; |
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82 | for(i = 0; i < len; i++){ |
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83 | if(i>0){ |
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84 | char *tmp=zStrdup(fresult); |
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85 | sprintf(fresult,"%s%02x", tmp,result[i]); |
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86 | free(tmp); |
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87 | } |
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88 | else |
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89 | sprintf(fresult,"%02x",result[i]); |
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90 | } |
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91 | fclose (inFile); |
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92 | return fresult; |
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93 | } |
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94 | |
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95 | |
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96 | |
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97 | /** |
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98 | * Create a URL by appending every request header listed in the security |
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99 | * section.This imply that the URL will contain any authentication |
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100 | * informations that should be fowarded to the server from which de input |
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101 | * was download. |
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102 | * @param conf the main configuration maps |
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103 | * @param request the URL to transform. |
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104 | * @return a char* that contain the original URL plus potential header (only for |
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105 | * hosts that are not shared). |
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106 | * @warning Be sure to free the memory returned by this function. |
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107 | */ |
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108 | char* getFilenameForRequest(maps* conf, const char* request){ |
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109 | map* passThrough=getMapFromMaps(conf,"security","attributes"); |
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110 | map* targetHosts=getMapFromMaps(conf,"security","hosts"); |
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111 | char* passedHeader[10]; |
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112 | int cnt=0; |
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113 | char *res=zStrdup(request); |
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114 | char *toAppend=NULL; |
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115 | if(passThrough!=NULL && targetHosts!=NULL){ |
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116 | char *tmp=zStrdup(passThrough->value); |
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117 | char *token, *saveptr; |
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118 | token = strtok_r (tmp, ",", &saveptr); |
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119 | int i; |
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120 | if((strstr(targetHosts->value,"*")!=NULL || isProtectedHost(targetHosts->value,request)==1) && strncasecmp(getProvenance(conf,request),"SHARED",6)!=0){ |
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121 | while (token != NULL){ |
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122 | int length=strlen(token)+6; |
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123 | char* tmp1=(char*)malloc(length*sizeof(char)); |
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124 | map* tmpMap; |
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125 | snprintf(tmp1,6,"HTTP_"); |
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126 | int j; |
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127 | for(j=0;token[j]!='\0';j++){ |
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128 | if(token[j]!='-') |
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129 | tmp1[5+j]=toupper(token[j]); |
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130 | else |
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131 | tmp1[5+j]='_'; |
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132 | tmp1[5+j+1]='\0'; |
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133 | } |
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134 | tmpMap = getMapFromMaps(conf,"renv",tmp1); |
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135 | if(tmpMap!=NULL){ |
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136 | if(toAppend==NULL){ |
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137 | toAppend=(char*)malloc((strlen(tmpMap->value)+1)*sizeof(char)); |
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138 | sprintf(toAppend,"%s",tmpMap->value); |
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139 | }else{ |
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140 | char *tmp3=zStrdup(toAppend); |
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141 | toAppend=(char*)realloc(toAppend,(strlen(tmpMap->value)+strlen(tmp3)+2)*sizeof(char)); |
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142 | sprintf(toAppend,"%s,%s",tmp3,tmpMap->value); |
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143 | free(tmp3); |
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144 | } |
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145 | } |
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146 | free(tmp1); |
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147 | cnt+=1; |
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148 | token = strtok_r (NULL, ",", &saveptr); |
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149 | } |
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150 | } |
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151 | free(tmp); |
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152 | } |
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153 | if(toAppend!=NULL){ |
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154 | char *tmp3=zStrdup(res); |
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155 | res=(char*)realloc(res,(strlen(tmp3)+strlen(toAppend)+1)*sizeof(char)); |
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156 | sprintf(res,"%s%s",tmp3,toAppend); |
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157 | free(tmp3); |
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158 | free(toAppend); |
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159 | } |
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160 | return res; |
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161 | } |
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162 | |
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163 | /** |
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164 | * Cache a file for a given request. |
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165 | * For each cached file, the are two files stored, a .zca and a .zcm containing |
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166 | * the downloaded content and the mimeType respectively. |
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167 | * |
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168 | * @param conf the maps containing the settings of the main.cfg file |
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169 | * @param request the url used too fetch the content |
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170 | * @param content the downloaded content |
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171 | * @param mimeType the content mimeType |
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172 | * @param length the content size |
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173 | * @param filepath a buffer for storing the path of the cached file; may be NULL |
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174 | * @param max_path the size of the allocated filepath buffer |
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175 | */ |
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176 | void cacheFile(maps* conf,char* request,char* mimeType,int length,char* filename){ |
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177 | map* tmp=getMapFromMaps(conf,"main","cacheDir"); |
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178 | char contentr[4096]; |
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179 | char* md5fstr=NULL; |
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180 | int cred=0; |
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181 | if(tmp!=NULL){ |
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182 | char* myRequest=getFilenameForRequest(conf,request); |
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183 | char* md5str=getMd5(myRequest); |
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184 | free(myRequest); |
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185 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmp->value)+strlen(md5str)+6)); |
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186 | sprintf(fname,"%s/%s.zca",tmp->value,md5str); |
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187 | zooLock* lck=lockFile(conf,fname,'w'); |
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188 | if(lck!=NULL){ |
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189 | #ifdef DEBUG |
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190 | fprintf(stderr,"Cache list : %s\n",fname); |
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191 | fflush(stderr); |
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192 | #endif |
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193 | FILE* fi=fopen(filename,"rb"); |
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194 | FILE* fo=fopen(fname,"w+"); |
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195 | if(fo==NULL){ |
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196 | #ifdef DEBUG |
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197 | fprintf (stderr, "Failed to open %s for writing: %s\n",fname, strerror(errno)); |
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198 | #endif |
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199 | unlockFile(conf,lck); |
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200 | return; |
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201 | } |
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202 | if(fi==NULL){ |
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203 | #ifdef DEBUG |
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204 | fprintf (stderr, "Failed to open %s for reading: %s\n",filename, strerror(errno)); |
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205 | #endif |
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206 | unlockFile(conf,lck); |
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207 | return; |
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208 | } |
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209 | memset(contentr,0,4096); |
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210 | while((cred=fread(contentr,sizeof(char),4096,fi))>0){ |
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211 | fwrite(contentr,sizeof(char),cred,fo); |
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212 | fflush(fo); |
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213 | memset(contentr,0,4096); |
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214 | } |
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215 | unlockFile(conf,lck); |
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216 | fclose(fo); |
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217 | fclose(fi); |
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218 | |
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219 | // Store mimeType |
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220 | sprintf(fname,"%s/%s.zcm",tmp->value,md5str); |
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221 | fo=fopen(fname,"w+"); |
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222 | #ifdef DEBUG |
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223 | fprintf(stderr,"MIMETYPE: %s\n",mimeType); |
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224 | #endif |
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225 | fwrite(mimeType,sizeof(char),strlen(mimeType),fo); |
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226 | fclose(fo); |
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227 | |
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228 | // Store provenance |
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229 | sprintf(fname,"%s/%s.zcp",tmp->value,md5str); |
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230 | fo=fopen(fname,"w+"); |
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231 | char* origin=getProvenance(conf,request); |
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232 | #ifdef DEBUG |
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233 | fprintf(stderr,"ORIGIN: %s\n",mimeType); |
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234 | #endif |
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235 | fwrite(origin,sizeof(char),strlen(origin),fo); |
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236 | fclose(fo); |
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237 | |
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238 | // Store md5 |
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239 | sprintf(fname,"%s/%s.zca",tmp->value,md5str); |
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240 | md5fstr=getMd5f(fname); |
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241 | sprintf(fname,"%s/%s.zmd",tmp->value,md5str); |
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242 | fo=fopen(fname,"w+"); |
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243 | #ifdef DEBUG |
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244 | fprintf(stderr,"MD5: %s\n",md5fstr); |
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245 | #endif |
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246 | fwrite(md5fstr,sizeof(char),strlen(md5fstr),fo); |
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247 | free(md5fstr); |
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248 | fclose(fo); |
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249 | |
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250 | free(md5str); |
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251 | free(fname); |
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252 | } |
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253 | } |
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254 | } |
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255 | |
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256 | /** |
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257 | * Cache a file for a given request. |
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258 | * For each cached file, the are two files stored, a .zca and a .zcm containing |
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259 | * the downloaded content and the mimeType respectively. |
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260 | * |
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261 | * @param conf the maps containing the settings of the main.cfg file |
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262 | * @param request the url used too fetch the content |
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263 | * @param content the downloaded content |
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264 | * @param mimeType the content mimeType |
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265 | * @param length the content size |
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266 | * @param filepath a buffer for storing the path of the cached file; may be NULL |
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267 | * @param max_path the size of the allocated filepath buffer |
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268 | */ |
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269 | void addToCache(maps* conf,char* request,char* content,char* mimeType,int length, |
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270 | char* filepath, size_t max_path){ |
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271 | map* tmp=getMapFromMaps(conf,"main","cacheDir"); |
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272 | if(tmp!=NULL){ |
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273 | char* myRequest=getFilenameForRequest(conf,request); |
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274 | char* md5str=getMd5(myRequest); |
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275 | free(myRequest); |
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276 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmp->value)+strlen(md5str)+6)); |
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277 | sprintf(fname,"%s/%s.zca",tmp->value,md5str); |
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278 | zooLock* lck=lockFile(conf,fname,'w'); |
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279 | if(lck!=NULL){ |
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280 | #ifdef DEBUG |
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281 | fprintf(stderr,"Cache list : %s\n",fname); |
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282 | fflush(stderr); |
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283 | #endif |
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284 | FILE* fo=fopen(fname,"w+"); |
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285 | if(fo==NULL){ |
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286 | #ifdef DEBUG |
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287 | fprintf (stderr, "Failed to open %s for writing: %s\n",fname, strerror(errno)); |
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288 | #endif |
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289 | filepath = NULL; |
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290 | unlockFile(conf,lck); |
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291 | return; |
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292 | } |
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293 | fwrite(content,sizeof(char),length,fo); |
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294 | unlockFile(conf,lck); |
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295 | fclose(fo); |
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296 | |
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297 | if (filepath != NULL) { |
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298 | strncpy(filepath, fname, max_path); |
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299 | } |
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300 | |
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301 | sprintf(fname,"%s/%s.zcm",tmp->value,md5str); |
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302 | fo=fopen(fname,"w+"); |
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303 | #ifdef DEBUG |
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304 | fprintf(stderr,"MIMETYPE: %s\n",mimeType); |
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305 | #endif |
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306 | fwrite(mimeType,sizeof(char),strlen(mimeType),fo); |
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307 | fclose(fo); |
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308 | |
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309 | sprintf(fname,"%s/%s.zcp",tmp->value,md5str); |
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310 | fo=fopen(fname,"w+"); |
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311 | char* origin=getProvenance(conf,request); |
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312 | #ifdef DEBUG |
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313 | fprintf(stderr,"ORIGIN: %s\n",mimeType); |
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314 | #endif |
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315 | fwrite(origin,sizeof(char),strlen(origin),fo); |
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316 | fclose(fo); |
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317 | |
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318 | free(md5str); |
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319 | free(fname); |
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320 | } |
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321 | } |
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322 | else { |
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323 | filepath = NULL; |
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324 | } |
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325 | } |
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326 | |
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327 | /** |
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328 | * Verify if a url is available in the cache |
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329 | * |
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330 | * @param conf the maps containing the settings of the main.cfg file |
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331 | * @param request the url |
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332 | * @return the full name of the cached file if any, NULL in other case |
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333 | * @warning make sure to free resources returned by this function (if not NULL) |
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334 | */ |
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335 | char* isInCache(maps* conf,char* request){ |
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336 | map* tmpM=getMapFromMaps(conf,"main","cacheDir"); |
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337 | if(tmpM!=NULL){ |
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338 | if(strncasecmp(request,"file://",7)==0){ |
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339 | char* tmpStr=zStrdup(request+7); |
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340 | fprintf(stderr,"**** %s %d %s \n",__FILE__,__LINE__,tmpStr); |
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341 | return tmpStr; |
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342 | } |
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343 | else{ |
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344 | |
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345 | char* myRequest=getFilenameForRequest(conf,request); |
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346 | char* md5str=getMd5(myRequest); |
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347 | free(myRequest); |
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348 | #ifdef DEBUG |
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349 | fprintf(stderr,"MD5STR : (%s)\n\n",md5str); |
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350 | #endif |
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351 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmpM->value)+strlen(md5str)+6)); |
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352 | sprintf(fname,"%s/%s.zca",tmpM->value,md5str); |
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353 | struct stat f_status; |
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354 | int s=stat(fname, &f_status); |
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355 | if(s==0 && f_status.st_size>0){ |
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356 | free(md5str); |
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357 | return fname; |
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358 | } |
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359 | free(md5str); |
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360 | free(fname); |
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361 | } |
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362 | } |
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363 | return NULL; |
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364 | } |
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365 | |
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366 | /** |
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367 | * Read the downloaded file for a specific input |
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368 | * |
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369 | * @param m the maps containing the settings of the main.cfg file |
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370 | * @param in the input |
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371 | * @param index the input index |
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372 | * @param hInternet the internet connection |
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373 | * @param error the error map pointer |
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374 | * @return 0 in case of success, -1 in case of failure |
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375 | */ |
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376 | int readCurrentInput(maps** m,maps** in,int* index,HINTERNET* hInternet,map** error){ |
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377 | |
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378 | int shouldClean=-1; |
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379 | map* tmp1; |
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380 | char sindex[5]; |
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381 | maps* content=*in; |
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382 | map* length=getMap(content->content,"length"); |
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383 | map* memUse=getMapFromMaps(*m,"main","memory"); |
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384 | if(length==NULL){ |
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385 | length=createMap("length","1"); |
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386 | shouldClean=1; |
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387 | } |
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388 | for(int i=0;i<atoi(length->value);i++){ |
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389 | char* fcontent; |
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390 | char *mimeType=NULL; |
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391 | int fsize=0; |
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392 | char cname[15]; |
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393 | char vname[11]; |
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394 | char vname1[11]; |
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395 | char sname[9]; |
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396 | char mname[15]; |
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397 | char icname[14]; |
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398 | char xname[16]; |
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399 | char bname[8]; |
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400 | char hname[11]; |
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401 | char oname[12]; |
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402 | char ufile[12]; |
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403 | if(*index>0) |
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404 | sprintf(vname1,"value_%d",*index); |
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405 | else |
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406 | sprintf(vname1,"value"); |
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407 | |
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408 | if(i>0){ |
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409 | sprintf(cname,"cache_file_%d",i); |
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410 | tmp1=getMap(content->content,cname); |
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411 | sprintf(vname,"value_%d",i); |
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412 | sprintf(sname,"size_%d",i); |
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413 | sprintf(mname,"mimeType_%d",i); |
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414 | sprintf(icname,"isCached_%d",i); |
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415 | sprintf(xname,"Reference_%d",i); |
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416 | sprintf(bname,"body_%d",i); |
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417 | sprintf(hname,"headers_%d",i); |
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418 | sprintf(oname,"Order_%d",i); |
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419 | sprintf(ufile,"use_file_%d",i); |
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420 | }else{ |
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421 | sprintf(cname,"cache_file"); |
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422 | sprintf(vname,"value"); |
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423 | sprintf(sname,"size"); |
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424 | sprintf(mname,"mimeType"); |
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425 | sprintf(icname,"isCached"); |
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426 | sprintf(xname,"Reference"); |
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427 | sprintf(bname,"body"); |
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428 | sprintf(hname,"headers"); |
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429 | sprintf(oname,"Order"); |
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430 | sprintf(ufile,"use_file"); |
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431 | } |
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432 | |
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433 | map* tmap=getMap(content->content,oname); |
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434 | sprintf(sindex,"%d",*index+1); |
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435 | if((tmp1=getMap(content->content,xname))!=NULL && tmap!=NULL && strcasecmp(tmap->value,sindex)==0){ |
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436 | |
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437 | if(getMap(content->content,icname)==NULL) { |
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438 | if(memUse!=NULL && strcasecmp(memUse->value,"load")==0){ |
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439 | fcontent=(char*)malloc((hInternet->ihandle[*index].nDataLen+1)*sizeof(char)); |
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440 | if(fcontent == NULL){ |
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441 | errorException(*m, _("Unable to allocate memory"), "InternalError",NULL); |
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442 | return -1; |
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443 | } |
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444 | size_t dwRead; |
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445 | InternetReadFile(hInternet->ihandle[*index], |
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446 | (LPVOID)fcontent, |
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447 | hInternet->ihandle[*index].nDataLen, |
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448 | &dwRead); |
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449 | fcontent[hInternet->ihandle[*index].nDataLen]=0; |
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450 | } |
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451 | fsize=hInternet->ihandle[*index].nDataLen; |
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452 | if(hInternet->ihandle[*index].mimeType==NULL) |
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453 | mimeType=zStrdup("none"); |
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454 | else |
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455 | mimeType=zStrdup(hInternet->ihandle[*index].mimeType); |
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456 | |
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457 | map* tmpMap=getMapOrFill(&(*in)->content,vname,""); |
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458 | if(memUse!=NULL && strcasecmp(memUse->value,"load")==0){ |
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459 | free(tmpMap->value); |
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460 | tmpMap->value=(char*)malloc((fsize+1)*sizeof(char)); |
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461 | if(tmpMap->value==NULL){ |
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462 | return errorException(*m, _("Unable to allocate memory"), "InternalError",NULL); |
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463 | } |
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464 | memcpy(tmpMap->value,fcontent,(fsize+1)*sizeof(char)); |
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465 | }else |
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466 | addToMap((*in)->content,ufile,"true"); |
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467 | if(hInternet->ihandle[*index].code!=200){ |
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468 | char *error_rep_str=_("Unable to download the file for the input <%s>, response code was : %d."); |
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469 | char *error_msg=(char*)malloc((strlen(error_rep_str)+strlen(content->name)+4)*sizeof(char)); |
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470 | sprintf(error_msg,error_rep_str,content->name,hInternet->ihandle[*index].code); |
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471 | if(*error==NULL){ |
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472 | *error=createMap("text",error_msg); |
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473 | addToMap(*error,"locator",content->name); |
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474 | addToMap(*error,"code","InvalidParameterValue"); |
---|
475 | }else{ |
---|
476 | int nb=1; |
---|
477 | map* tmpMap=getMap(*error,"length"); |
---|
478 | if(tmpMap!=NULL) |
---|
479 | nb=atoi(tmpMap->value); |
---|
480 | setMapArray(*error,"text",nb,error_msg); |
---|
481 | setMapArray(*error,"locator",nb,content->name); |
---|
482 | setMapArray(*error,"code",nb,"InvalidParameterValue"); |
---|
483 | } |
---|
484 | return -1; |
---|
485 | } |
---|
486 | |
---|
487 | char ltmp1[256]; |
---|
488 | sprintf(ltmp1,"%d",fsize); |
---|
489 | map* tmp=getMapFromMaps(*m,"main","cacheDir"); |
---|
490 | char *request=NULL; |
---|
491 | if(tmp!=NULL){ |
---|
492 | map* tmp2; |
---|
493 | char* md5str=NULL; |
---|
494 | if((tmp2=getMap(content->content,bname))!=NULL){ |
---|
495 | char *tmpStr=(char*)malloc((strlen(tmp1->value)+strlen(tmp2->value)+1)*sizeof(char)); |
---|
496 | sprintf(tmpStr,"%s%s",tmp1->value,tmp2->value); |
---|
497 | if((tmp2=getMap(content->content,"headers"))!=NULL){ |
---|
498 | char *tmpStr2=zStrdup(tmpStr); |
---|
499 | free(tmpStr); |
---|
500 | tmpStr=(char*)malloc((strlen(tmpStr2)+strlen(tmp2->value)+1)*sizeof(char)); |
---|
501 | sprintf(tmpStr,"%s%s",tmpStr2,tmp2->value); |
---|
502 | free(tmpStr2); |
---|
503 | } |
---|
504 | md5str=getMd5(tmpStr); |
---|
505 | request=zStrdup(tmpStr); |
---|
506 | free(tmpStr); |
---|
507 | }else{ |
---|
508 | char *myRequest=getFilenameForRequest(*m,tmp1->value); |
---|
509 | md5str=getMd5(myRequest); |
---|
510 | request=zStrdup(tmp1->value); |
---|
511 | free(myRequest); |
---|
512 | } |
---|
513 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmp->value)+strlen(md5str)+6)); |
---|
514 | sprintf(fname,"%s/%s.zca",tmp->value,md5str); |
---|
515 | addToMap((*in)->content,cname,fname); |
---|
516 | free(fname); |
---|
517 | } |
---|
518 | addToMap((*in)->content,sname,ltmp1); |
---|
519 | addToMap((*in)->content,mname,mimeType); |
---|
520 | if(memUse!=NULL && strcasecmp(memUse->value,"load")==0){ |
---|
521 | addToCache(*m,request,fcontent,mimeType,fsize, NULL, 0); |
---|
522 | free(fcontent); |
---|
523 | }else{ |
---|
524 | addToMap((*in)->content,ufile,"true"); |
---|
525 | cacheFile(*m,request,mimeType,fsize,hInternet->ihandle[*index].filename); |
---|
526 | } |
---|
527 | free(mimeType); |
---|
528 | free(request); |
---|
529 | (*index)++; |
---|
530 | } |
---|
531 | } |
---|
532 | } |
---|
533 | if(shouldClean>0){ |
---|
534 | freeMap(&length); |
---|
535 | free(length); |
---|
536 | } |
---|
537 | return 0; |
---|
538 | } |
---|
539 | |
---|
540 | /** |
---|
541 | * Effectively run all the HTTP requests in the queue |
---|
542 | * |
---|
543 | * @param m the maps containing the settings of the main.cfg file |
---|
544 | * @param inputs the maps containing the inputs (defined in the requests+added |
---|
545 | * per default based on the zcfg file) |
---|
546 | * @param hInternet the HINTERNET pointer |
---|
547 | * @param error the error map pointer |
---|
548 | * @return 0 on success, -1 on failure |
---|
549 | */ |
---|
550 | int runHttpRequests(maps** m,maps** inputs,HINTERNET* hInternet,map** error){ |
---|
551 | int hasAFailure=0; |
---|
552 | if(hInternet!=NULL && hInternet->nb>0){ |
---|
553 | AddHeaderEntries(hInternet,*m); |
---|
554 | processDownloads(hInternet); |
---|
555 | maps* content=*inputs; |
---|
556 | int index=0; |
---|
557 | while(content!=NULL){ |
---|
558 | if(content->child!=NULL){ |
---|
559 | maps* cursor=content->child; |
---|
560 | while(cursor!=NULL){ |
---|
561 | int red=readCurrentInput(m,&cursor,&index,hInternet,error); |
---|
562 | if(red<0) |
---|
563 | hasAFailure=red; |
---|
564 | cursor=cursor->next; |
---|
565 | } |
---|
566 | } |
---|
567 | else{ |
---|
568 | int red=readCurrentInput(m,&content,&index,hInternet,error); |
---|
569 | if(red<0) |
---|
570 | hasAFailure=red; |
---|
571 | } |
---|
572 | content=content->next; |
---|
573 | } |
---|
574 | } |
---|
575 | return hasAFailure; |
---|
576 | } |
---|
577 | |
---|
578 | /** |
---|
579 | * Add a request in the download queue |
---|
580 | * |
---|
581 | * @param m the maps containing the settings of the main.cfg file |
---|
582 | * @param url the url to add to the queue |
---|
583 | */ |
---|
584 | void addRequestToQueue(maps** m,HINTERNET* hInternet,const char* url,bool req){ |
---|
585 | hInternet->waitingRequests[hInternet->nb]=strdup(url); |
---|
586 | if(req) |
---|
587 | InternetOpenUrl(hInternet,hInternet->waitingRequests[hInternet->nb],NULL,0,INTERNET_FLAG_NO_CACHE_WRITE,0,*m); |
---|
588 | maps *oreq=getMaps(*m,"orequests"); |
---|
589 | if(oreq==NULL){ |
---|
590 | oreq=createMaps("orequests"); |
---|
591 | oreq->content=createMap("value",url); |
---|
592 | addMapsToMaps(m,oreq); |
---|
593 | freeMaps(&oreq); |
---|
594 | free(oreq); |
---|
595 | }else{ |
---|
596 | setMapArray(oreq->content,"value",hInternet->nb,url); |
---|
597 | } |
---|
598 | } |
---|
599 | |
---|
600 | /** |
---|
601 | * Try to load file from cache or download a remote file if not in cache |
---|
602 | * |
---|
603 | * @param m the maps containing the settings of the main.cfg file |
---|
604 | * @param content the map to update |
---|
605 | * @param hInternet the HINTERNET pointer |
---|
606 | * @param url the url to fetch |
---|
607 | * @return 0 |
---|
608 | */ |
---|
609 | int loadRemoteFile(maps** m,map** content,HINTERNET* hInternet,char *url){ |
---|
610 | char* fcontent = NULL; |
---|
611 | char* cached=isInCache(*m,url); |
---|
612 | char *mimeType=NULL; |
---|
613 | int fsize=0; |
---|
614 | map* memUse=getMapFromMaps(*m,"main","memory"); |
---|
615 | |
---|
616 | map* t=getMap(*content,"xlink:href"); |
---|
617 | if(t==NULL){ |
---|
618 | t=getMap((*content),"href"); |
---|
619 | addToMap(*content,"xlink:href",url); |
---|
620 | } |
---|
621 | |
---|
622 | if(cached!=NULL){ |
---|
623 | struct stat f_status; |
---|
624 | int s=stat(cached, &f_status); |
---|
625 | if(s==0){ |
---|
626 | zooLock* lck=lockFile(*m,cached,'r'); |
---|
627 | if(lck==NULL) |
---|
628 | return -1; |
---|
629 | fsize=f_status.st_size; |
---|
630 | if(memUse!=NULL && strcasecmp(memUse->value,"load")==0){ |
---|
631 | fcontent=(char*)malloc(sizeof(char)*(f_status.st_size+1)); |
---|
632 | FILE* f=fopen(cached,"rb"); |
---|
633 | if(f!=NULL){ |
---|
634 | fread(fcontent,f_status.st_size,1,f); |
---|
635 | fcontent[fsize]=0; |
---|
636 | fclose(f); |
---|
637 | } |
---|
638 | } |
---|
639 | addToMap(*content,"cache_file",cached); |
---|
640 | unlockFile(*m,lck); |
---|
641 | } |
---|
642 | cached[strlen(cached)-1]='m'; |
---|
643 | s=stat(cached, &f_status); |
---|
644 | if(s==0){ |
---|
645 | zooLock* lck=lockFile(*m,cached,'r'); |
---|
646 | if(lck==NULL) |
---|
647 | return -1; |
---|
648 | mimeType=(char*)malloc(sizeof(char)*(f_status.st_size+1)); |
---|
649 | FILE* f=fopen(cached,"rb"); |
---|
650 | fread(mimeType,f_status.st_size,1,f); |
---|
651 | mimeType[f_status.st_size]=0; |
---|
652 | fclose(f); |
---|
653 | unlockFile(*m,lck); |
---|
654 | } |
---|
655 | }else{ |
---|
656 | addRequestToQueue(m,hInternet,url,true); |
---|
657 | return 0; |
---|
658 | } |
---|
659 | if(fsize==0){ |
---|
660 | return errorException(*m, _("Unable to download the file."), "InternalError",NULL); |
---|
661 | } |
---|
662 | if(mimeType!=NULL){ |
---|
663 | addToMap(*content,"fmimeType",mimeType); |
---|
664 | } |
---|
665 | |
---|
666 | map* tmpMap=getMapOrFill(content,"value",""); |
---|
667 | if(memUse!=NULL && strcasecmp(memUse->value,"load")==0){ |
---|
668 | free(tmpMap->value); |
---|
669 | tmpMap->value=(char*)malloc((fsize+1)*sizeof(char)); |
---|
670 | if(tmpMap->value==NULL || fcontent == NULL) |
---|
671 | return errorException(*m, _("Unable to allocate memory"), "InternalError",NULL); |
---|
672 | memcpy(tmpMap->value,fcontent,(fsize+1)*sizeof(char)); |
---|
673 | } |
---|
674 | |
---|
675 | char ltmp1[256]; |
---|
676 | sprintf(ltmp1,"%d",fsize); |
---|
677 | addToMap(*content,"size",ltmp1); |
---|
678 | if(cached==NULL){ |
---|
679 | if(memUse!=NULL && strcasecmp(memUse->value,"load")==0) |
---|
680 | addToCache(*m,url,fcontent,mimeType,fsize, NULL, 0); |
---|
681 | else |
---|
682 | cacheFile(*m,url,mimeType,fsize,hInternet->ihandle[hInternet->nb-1].filename); |
---|
683 | } |
---|
684 | else{ |
---|
685 | addToMap(*content,"isCached","true"); |
---|
686 | map* tmp=getMapFromMaps(*m,"main","cacheDir"); |
---|
687 | if(tmp!=NULL){ |
---|
688 | map *c=getMap((*content),"xlink:href"); |
---|
689 | if(strncasecmp(c->value,"file://",7)!=0){ |
---|
690 | char *myRequest=getFilenameForRequest(*m,c->value); |
---|
691 | char* md5str=getMd5(myRequest); |
---|
692 | free(myRequest); |
---|
693 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmp->value)+strlen(md5str)+6)); |
---|
694 | sprintf(fname,"%s/%s.zca",tmp->value,md5str); |
---|
695 | addToMap(*content,"cache_file",fname); |
---|
696 | free(fname); |
---|
697 | free(md5str); |
---|
698 | } |
---|
699 | } |
---|
700 | } |
---|
701 | free(fcontent); |
---|
702 | free(mimeType); |
---|
703 | free(cached); |
---|
704 | return 0; |
---|
705 | } |
---|