[642] | 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 "caching.h" |
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| 26 | #include "service.h" |
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| 27 | #include "service_internal.h" |
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| 28 | #include "response_print.h" |
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| 29 | #include <openssl/md5.h> |
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| 30 | #include <openssl/hmac.h> |
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| 31 | #include <openssl/evp.h> |
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| 32 | #include <openssl/bio.h> |
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| 33 | #include <openssl/buffer.h> |
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| 34 | |
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| 35 | /** |
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| 36 | * Compute md5 |
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| 37 | * |
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| 38 | * @param url the char* |
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| 39 | * @return a char* representing the md5 of the url |
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[781] | 40 | * @warning make sure to free resources returned by this function |
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[642] | 41 | */ |
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| 42 | char* getMd5(char* url){ |
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| 43 | EVP_MD_CTX md5ctx; |
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| 44 | char* fresult=(char*)malloc((EVP_MAX_MD_SIZE+1)*sizeof(char)); |
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| 45 | unsigned char result[EVP_MAX_MD_SIZE]; |
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| 46 | unsigned int len; |
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| 47 | EVP_DigestInit(&md5ctx, EVP_md5()); |
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| 48 | EVP_DigestUpdate(&md5ctx, url, strlen(url)); |
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| 49 | EVP_DigestFinal_ex(&md5ctx,result,&len); |
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| 50 | EVP_MD_CTX_cleanup(&md5ctx); |
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| 51 | int i; |
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| 52 | for(i = 0; i < len; i++){ |
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| 53 | if(i>0){ |
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| 54 | char *tmp=strdup(fresult); |
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| 55 | sprintf(fresult,"%s%02x", tmp,result[i]); |
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| 56 | free(tmp); |
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| 57 | } |
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| 58 | else |
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| 59 | sprintf(fresult,"%02x",result[i]); |
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| 60 | } |
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| 61 | return fresult; |
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| 62 | } |
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| 63 | |
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| 64 | |
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| 65 | /** |
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[854] | 66 | * Create a URL by appending every request header listed in the security |
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| 67 | * section.This imply that the URL will contain any authentication |
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| 68 | * informations that should be fowarded to the server from which de input |
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| 69 | * was download. |
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| 70 | * @param conf the main configuration maps |
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| 71 | * @param request the URL to transform. |
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| 72 | * @return a char* that contain the original URL plus potential header (only for |
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| 73 | * hosts that are not shared). |
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| 74 | * @warning Be sure to free the memory returned by this function. |
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| 75 | */ |
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| 76 | char* getFilenameForRequest(maps* conf, const char* request){ |
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| 77 | map* passThrough=getMapFromMaps(conf,"security","attributes"); |
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| 78 | map* targetHosts=getMapFromMaps(conf,"security","hosts"); |
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| 79 | char* passedHeader[10]; |
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| 80 | int cnt=0; |
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| 81 | char *res=zStrdup(request); |
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| 82 | char *toAppend=NULL; |
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| 83 | if(passThrough!=NULL && targetHosts!=NULL){ |
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| 84 | char *tmp=zStrdup(passThrough->value); |
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| 85 | char *token, *saveptr; |
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| 86 | token = strtok_r (tmp, ",", &saveptr); |
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| 87 | int i; |
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| 88 | if((strstr(targetHosts->value,"*")!=NULL || isProtectedHost(targetHosts->value,request)==1) && strncasecmp(getProvenance(conf,request),"SHARED",6)!=0){ |
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| 89 | while (token != NULL){ |
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| 90 | int length=strlen(token)+6; |
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| 91 | char* tmp1=(char*)malloc(length*sizeof(char)); |
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| 92 | map* tmpMap; |
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| 93 | snprintf(tmp1,6,"HTTP_"); |
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| 94 | int j; |
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| 95 | for(j=0;token[j]!='\0';j++){ |
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| 96 | if(token[j]!='-') |
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| 97 | tmp1[5+j]=toupper(token[j]); |
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| 98 | else |
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| 99 | tmp1[5+j]='_'; |
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| 100 | tmp1[5+j+1]='\0'; |
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| 101 | } |
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| 102 | tmpMap = getMapFromMaps(conf,"renv",tmp1); |
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| 103 | if(tmpMap!=NULL){ |
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| 104 | if(toAppend==NULL){ |
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| 105 | toAppend=(char*)malloc((strlen(tmpMap->value)+1)*sizeof(char)); |
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| 106 | sprintf(toAppend,"%s",tmpMap->value); |
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| 107 | }else{ |
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| 108 | char *tmp3=zStrdup(toAppend); |
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| 109 | toAppend=(char*)realloc(toAppend,(strlen(tmpMap->value)+strlen(tmp3)+2)*sizeof(char)); |
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| 110 | sprintf(toAppend,"%s,%s",tmp3,tmpMap->value); |
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| 111 | free(tmp3); |
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| 112 | } |
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| 113 | } |
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| 114 | free(tmp1); |
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| 115 | cnt+=1; |
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| 116 | token = strtok_r (NULL, ",", &saveptr); |
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| 117 | } |
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| 118 | } |
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| 119 | free(tmp); |
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| 120 | } |
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| 121 | if(toAppend!=NULL){ |
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| 122 | char *tmp3=zStrdup(res); |
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| 123 | res=(char*)realloc(res,(strlen(tmp3)+strlen(toAppend)+1)*sizeof(char)); |
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| 124 | sprintf(res,"%s%s",tmp3,toAppend); |
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| 125 | free(tmp3); |
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| 126 | free(toAppend); |
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| 127 | } |
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| 128 | return res; |
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| 129 | } |
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| 130 | |
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| 131 | /** |
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[642] | 132 | * Cache a file for a given request. |
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| 133 | * For each cached file, the are two files stored, a .zca and a .zcm containing |
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| 134 | * the downloaded content and the mimeType respectively. |
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| 135 | * |
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| 136 | * @param conf the maps containing the settings of the main.cfg file |
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| 137 | * @param request the url used too fetch the content |
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| 138 | * @param content the downloaded content |
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| 139 | * @param mimeType the content mimeType |
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| 140 | * @param length the content size |
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| 141 | * @param filepath a buffer for storing the path of the cached file; may be NULL |
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| 142 | * @param max_path the size of the allocated filepath buffer |
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| 143 | */ |
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| 144 | void addToCache(maps* conf,char* request,char* content,char* mimeType,int length, |
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| 145 | char* filepath, size_t max_path){ |
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| 146 | map* tmp=getMapFromMaps(conf,"main","cacheDir"); |
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| 147 | if(tmp!=NULL){ |
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[854] | 148 | char* myRequest=getFilenameForRequest(conf,request); |
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| 149 | char* md5str=getMd5(myRequest); |
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| 150 | free(myRequest); |
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[642] | 151 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmp->value)+strlen(md5str)+6)); |
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| 152 | sprintf(fname,"%s/%s.zca",tmp->value,md5str); |
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[854] | 153 | zooLock* lck=lockFile(conf,fname,'w'); |
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| 154 | if(lck!=NULL){ |
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[642] | 155 | #ifdef DEBUG |
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[854] | 156 | fprintf(stderr,"Cache list : %s\n",fname); |
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| 157 | fflush(stderr); |
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[642] | 158 | #endif |
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[854] | 159 | FILE* fo=fopen(fname,"w+"); |
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| 160 | if(fo==NULL){ |
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[642] | 161 | #ifdef DEBUG |
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[854] | 162 | fprintf (stderr, "Failed to open %s for writing: %s\n",fname, strerror(errno)); |
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[642] | 163 | #endif |
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[854] | 164 | filepath = NULL; |
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| 165 | unlockFile(conf,lck); |
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| 166 | return; |
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| 167 | } |
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| 168 | fwrite(content,sizeof(char),length,fo); |
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| 169 | unlockFile(conf,lck); |
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| 170 | fclose(fo); |
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[642] | 171 | |
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[854] | 172 | if (filepath != NULL) { |
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| 173 | strncpy(filepath, fname, max_path); |
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| 174 | } |
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[642] | 175 | |
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[854] | 176 | sprintf(fname,"%s/%s.zcm",tmp->value,md5str); |
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| 177 | fo=fopen(fname,"w+"); |
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[642] | 178 | #ifdef DEBUG |
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[854] | 179 | fprintf(stderr,"MIMETYPE: %s\n",mimeType); |
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[642] | 180 | #endif |
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[854] | 181 | fwrite(mimeType,sizeof(char),strlen(mimeType),fo); |
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| 182 | fclose(fo); |
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[642] | 183 | |
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[854] | 184 | sprintf(fname,"%s/%s.zcp",tmp->value,md5str); |
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| 185 | fo=fopen(fname,"w+"); |
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| 186 | char* origin=getProvenance(conf,request); |
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| 187 | #ifdef DEBUG |
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| 188 | fprintf(stderr,"ORIGIN: %s\n",mimeType); |
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| 189 | #endif |
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| 190 | fwrite(origin,sizeof(char),strlen(origin),fo); |
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| 191 | fclose(fo); |
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| 192 | |
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| 193 | free(md5str); |
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| 194 | free(fname); |
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| 195 | } |
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[642] | 196 | } |
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| 197 | else { |
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[854] | 198 | filepath = NULL; |
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[642] | 199 | } |
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| 200 | } |
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| 201 | |
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| 202 | /** |
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| 203 | * Verify if a url is available in the cache |
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| 204 | * |
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| 205 | * @param conf the maps containing the settings of the main.cfg file |
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| 206 | * @param request the url |
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| 207 | * @return the full name of the cached file if any, NULL in other case |
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[781] | 208 | * @warning make sure to free resources returned by this function (if not NULL) |
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[642] | 209 | */ |
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| 210 | char* isInCache(maps* conf,char* request){ |
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| 211 | map* tmpM=getMapFromMaps(conf,"main","cacheDir"); |
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| 212 | if(tmpM!=NULL){ |
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[854] | 213 | char* myRequest=getFilenameForRequest(conf,request); |
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| 214 | char* md5str=getMd5(myRequest); |
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| 215 | free(myRequest); |
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[642] | 216 | #ifdef DEBUG |
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| 217 | fprintf(stderr,"MD5STR : (%s)\n\n",md5str); |
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| 218 | #endif |
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| 219 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmpM->value)+strlen(md5str)+6)); |
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| 220 | sprintf(fname,"%s/%s.zca",tmpM->value,md5str); |
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| 221 | struct stat f_status; |
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| 222 | int s=stat(fname, &f_status); |
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| 223 | if(s==0 && f_status.st_size>0){ |
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| 224 | free(md5str); |
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| 225 | return fname; |
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| 226 | } |
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| 227 | free(md5str); |
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| 228 | free(fname); |
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| 229 | } |
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| 230 | return NULL; |
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| 231 | } |
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| 232 | |
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| 233 | /** |
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[790] | 234 | * Read the downloaded file for a specific input |
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| 235 | * |
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| 236 | * @param m the maps containing the settings of the main.cfg file |
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| 237 | * @param in the input |
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| 238 | * @param index the input index |
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| 239 | * @param hInternet the internet connection |
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[797] | 240 | * @param error the error map pointer |
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| 241 | * @return 0 in case of success, -1 in case of failure |
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[790] | 242 | */ |
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[797] | 243 | int readCurrentInput(maps** m,maps** in,int* index,HINTERNET* hInternet,map** error){ |
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[839] | 244 | |
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[790] | 245 | map* tmp1; |
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| 246 | char sindex[5]; |
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| 247 | maps* content=*in; |
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| 248 | map* length=getMap(content->content,"length"); |
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| 249 | int shouldClean=-1; |
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| 250 | if(length==NULL){ |
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| 251 | length=createMap("length","1"); |
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| 252 | shouldClean=1; |
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| 253 | } |
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| 254 | for(int i=0;i<atoi(length->value);i++){ |
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| 255 | char* fcontent; |
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| 256 | char *mimeType=NULL; |
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| 257 | int fsize=0; |
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| 258 | char cname[15]; |
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| 259 | char vname[11]; |
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| 260 | char vname1[11]; |
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| 261 | char sname[9]; |
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| 262 | char mname[15]; |
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| 263 | char icname[14]; |
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| 264 | char xname[16]; |
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[822] | 265 | char bname[8]; |
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| 266 | char hname[11]; |
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[790] | 267 | char oname[12]; |
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| 268 | if(*index>0) |
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| 269 | sprintf(vname1,"value_%d",*index); |
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| 270 | else |
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| 271 | sprintf(vname1,"value"); |
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| 272 | |
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| 273 | if(i>0){ |
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| 274 | tmp1=getMap(content->content,cname); |
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| 275 | sprintf(cname,"cache_file_%d",i); |
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| 276 | sprintf(vname,"value_%d",i); |
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| 277 | sprintf(sname,"size_%d",i); |
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| 278 | sprintf(mname,"mimeType_%d",i); |
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| 279 | sprintf(icname,"isCached_%d",i); |
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| 280 | sprintf(xname,"Reference_%d",i); |
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[822] | 281 | sprintf(bname,"body_%d",i); |
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| 282 | sprintf(hname,"headers_%d",i); |
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[790] | 283 | sprintf(oname,"Order_%d",i); |
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| 284 | }else{ |
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| 285 | sprintf(cname,"cache_file"); |
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| 286 | sprintf(vname,"value"); |
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| 287 | sprintf(sname,"size"); |
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| 288 | sprintf(mname,"mimeType"); |
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| 289 | sprintf(icname,"isCached"); |
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| 290 | sprintf(xname,"Reference"); |
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[822] | 291 | sprintf(bname,"body"); |
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[854] | 292 | sprintf(hname,"headers"); |
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[790] | 293 | sprintf(oname,"Order"); |
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| 294 | } |
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| 295 | |
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| 296 | map* tmap=getMap(content->content,oname); |
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| 297 | sprintf(sindex,"%d",*index+1); |
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| 298 | if((tmp1=getMap(content->content,xname))!=NULL && tmap!=NULL && strcasecmp(tmap->value,sindex)==0){ |
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[839] | 299 | |
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| 300 | if(getMap(content->content,icname)==NULL){ |
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[790] | 301 | fcontent=(char*)malloc((hInternet->ihandle[*index].nDataLen+1)*sizeof(char)); |
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| 302 | if(fcontent == NULL){ |
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[797] | 303 | errorException(*m, _("Unable to allocate memory"), "InternalError",NULL); |
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| 304 | return -1; |
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[790] | 305 | } |
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| 306 | size_t dwRead; |
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| 307 | InternetReadFile(hInternet->ihandle[*index], |
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| 308 | (LPVOID)fcontent, |
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| 309 | hInternet->ihandle[*index].nDataLen, |
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| 310 | &dwRead); |
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| 311 | fcontent[hInternet->ihandle[*index].nDataLen]=0; |
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| 312 | fsize=hInternet->ihandle[*index].nDataLen; |
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| 313 | if(hInternet->ihandle[*index].mimeType==NULL) |
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| 314 | mimeType=zStrdup("none"); |
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| 315 | else |
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| 316 | mimeType=zStrdup(hInternet->ihandle[*index].mimeType); |
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| 317 | |
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| 318 | map* tmpMap=getMapOrFill(&(*in)->content,vname,""); |
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| 319 | free(tmpMap->value); |
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| 320 | tmpMap->value=(char*)malloc((fsize+1)*sizeof(char)); |
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| 321 | if(tmpMap->value==NULL){ |
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| 322 | return errorException(*m, _("Unable to allocate memory"), "InternalError",NULL); |
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| 323 | } |
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| 324 | memcpy(tmpMap->value,fcontent,(fsize+1)*sizeof(char)); |
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[797] | 325 | if(hInternet->ihandle[*index].code!=200){ |
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| 326 | char *error_rep_str=_("Unable to download the file for the input <%s>, response code was : %d."); |
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| 327 | char *error_msg=(char*)malloc((strlen(error_rep_str)+strlen(content->name)+4)*sizeof(char)); |
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| 328 | sprintf(error_msg,error_rep_str,content->name,hInternet->ihandle[*index].code); |
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| 329 | if(*error==NULL){ |
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| 330 | *error=createMap("text",error_msg); |
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| 331 | addToMap(*error,"locator",content->name); |
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| 332 | addToMap(*error,"code","InvalidParameterValue"); |
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| 333 | }else{ |
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| 334 | int nb=1; |
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| 335 | map* tmpMap=getMap(*error,"length"); |
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| 336 | if(tmpMap!=NULL) |
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| 337 | nb=atoi(tmpMap->value); |
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| 338 | setMapArray(*error,"text",nb,error_msg); |
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| 339 | setMapArray(*error,"locator",nb,content->name); |
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| 340 | setMapArray(*error,"code",nb,"InvalidParameterValue"); |
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| 341 | } |
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| 342 | return -1; |
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| 343 | } |
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[790] | 344 | |
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| 345 | char ltmp1[256]; |
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| 346 | sprintf(ltmp1,"%d",fsize); |
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| 347 | map* tmp=getMapFromMaps(*m,"main","cacheDir"); |
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[822] | 348 | char *request=NULL; |
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[790] | 349 | if(tmp!=NULL){ |
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[822] | 350 | map* tmp2; |
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| 351 | char* md5str=NULL; |
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| 352 | if((tmp2=getMap(content->content,bname))!=NULL){ |
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| 353 | char *tmpStr=(char*)malloc((strlen(tmp1->value)+strlen(tmp2->value)+1)*sizeof(char)); |
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| 354 | sprintf(tmpStr,"%s%s",tmp1->value,tmp2->value); |
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| 355 | if((tmp2=getMap(content->content,"headers"))!=NULL){ |
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| 356 | char *tmpStr2=zStrdup(tmpStr); |
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[839] | 357 | free(tmpStr); |
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[822] | 358 | tmpStr=(char*)malloc((strlen(tmpStr2)+strlen(tmp2->value)+1)*sizeof(char)); |
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| 359 | sprintf(tmpStr,"%s%s",tmpStr2,tmp2->value); |
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| 360 | free(tmpStr2); |
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| 361 | } |
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| 362 | md5str=getMd5(tmpStr); |
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| 363 | request=zStrdup(tmpStr); |
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| 364 | free(tmpStr); |
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| 365 | }else{ |
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[854] | 366 | char *myRequest=getFilenameForRequest(*m,tmp1->value); |
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| 367 | md5str=getMd5(myRequest); |
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[822] | 368 | request=zStrdup(tmp1->value); |
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[854] | 369 | free(myRequest); |
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[822] | 370 | } |
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[790] | 371 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmp->value)+strlen(md5str)+6)); |
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| 372 | sprintf(fname,"%s/%s.zca",tmp->value,md5str); |
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| 373 | addToMap((*in)->content,cname,fname); |
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| 374 | free(fname); |
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| 375 | } |
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| 376 | addToMap((*in)->content,sname,ltmp1); |
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| 377 | addToMap((*in)->content,mname,mimeType); |
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[822] | 378 | addToCache(*m,request,fcontent,mimeType,fsize, NULL, 0); |
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[790] | 379 | free(fcontent); |
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| 380 | free(mimeType); |
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[822] | 381 | free(request); |
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[839] | 382 | (*index)++; |
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[790] | 383 | } |
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| 384 | } |
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| 385 | } |
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| 386 | if(shouldClean>0){ |
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| 387 | freeMap(&length); |
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| 388 | free(length); |
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| 389 | } |
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| 390 | return 0; |
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| 391 | } |
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| 392 | |
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| 393 | /** |
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[642] | 394 | * Effectively run all the HTTP requests in the queue |
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| 395 | * |
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| 396 | * @param m the maps containing the settings of the main.cfg file |
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| 397 | * @param inputs the maps containing the inputs (defined in the requests+added |
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| 398 | * per default based on the zcfg file) |
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| 399 | * @param hInternet the HINTERNET pointer |
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[797] | 400 | * @param error the error map pointer |
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| 401 | * @return 0 on success, -1 on failure |
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[642] | 402 | */ |
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[797] | 403 | int runHttpRequests(maps** m,maps** inputs,HINTERNET* hInternet,map** error){ |
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| 404 | int hasAFailure=0; |
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[790] | 405 | if(hInternet!=NULL && hInternet->nb>0){ |
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[817] | 406 | AddHeaderEntries(hInternet,*m); |
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[642] | 407 | processDownloads(hInternet); |
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| 408 | maps* content=*inputs; |
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| 409 | int index=0; |
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| 410 | while(content!=NULL){ |
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[790] | 411 | if(content->child!=NULL){ |
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| 412 | maps* cursor=content->child; |
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| 413 | while(cursor!=NULL){ |
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[797] | 414 | int red=readCurrentInput(m,&cursor,&index,hInternet,error); |
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| 415 | if(red<0) |
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| 416 | hasAFailure=red; |
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[790] | 417 | cursor=cursor->next; |
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[642] | 418 | } |
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| 419 | } |
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[797] | 420 | else{ |
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| 421 | int red=readCurrentInput(m,&content,&index,hInternet,error); |
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| 422 | if(red<0) |
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| 423 | hasAFailure=red; |
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| 424 | } |
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[642] | 425 | content=content->next; |
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[797] | 426 | } |
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[642] | 427 | } |
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[797] | 428 | return hasAFailure; |
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[642] | 429 | } |
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| 430 | |
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| 431 | /** |
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| 432 | * Add a request in the download queue |
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| 433 | * |
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| 434 | * @param m the maps containing the settings of the main.cfg file |
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| 435 | * @param url the url to add to the queue |
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| 436 | */ |
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| 437 | void addRequestToQueue(maps** m,HINTERNET* hInternet,const char* url,bool req){ |
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| 438 | hInternet->waitingRequests[hInternet->nb]=strdup(url); |
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| 439 | if(req) |
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| 440 | InternetOpenUrl(hInternet,hInternet->waitingRequests[hInternet->nb],NULL,0,INTERNET_FLAG_NO_CACHE_WRITE,0); |
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| 441 | maps *oreq=getMaps(*m,"orequests"); |
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| 442 | if(oreq==NULL){ |
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[790] | 443 | oreq=createMaps("orequests"); |
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[642] | 444 | oreq->content=createMap("value",url); |
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| 445 | addMapsToMaps(m,oreq); |
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| 446 | freeMaps(&oreq); |
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| 447 | free(oreq); |
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| 448 | }else{ |
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[839] | 449 | setMapArray(oreq->content,"value",hInternet->nb,url); |
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[642] | 450 | } |
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| 451 | } |
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| 452 | |
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| 453 | /** |
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| 454 | * Try to load file from cache or download a remote file if not in cache |
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| 455 | * |
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| 456 | * @param m the maps containing the settings of the main.cfg file |
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| 457 | * @param content the map to update |
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| 458 | * @param hInternet the HINTERNET pointer |
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| 459 | * @param url the url to fetch |
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| 460 | * @return 0 |
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| 461 | */ |
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| 462 | int loadRemoteFile(maps** m,map** content,HINTERNET* hInternet,char *url){ |
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[738] | 463 | char* fcontent = NULL; |
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[642] | 464 | char* cached=isInCache(*m,url); |
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| 465 | char *mimeType=NULL; |
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| 466 | int fsize=0; |
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| 467 | |
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| 468 | map* t=getMap(*content,"xlink:href"); |
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| 469 | if(t==NULL){ |
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| 470 | t=getMap((*content),"href"); |
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| 471 | addToMap(*content,"xlink:href",url); |
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| 472 | } |
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| 473 | |
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| 474 | if(cached!=NULL){ |
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| 475 | struct stat f_status; |
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| 476 | int s=stat(cached, &f_status); |
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| 477 | if(s==0){ |
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[854] | 478 | zooLock* lck=lockFile(*m,cached,'r'); |
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| 479 | if(lck==NULL) |
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| 480 | return -1; |
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[642] | 481 | fcontent=(char*)malloc(sizeof(char)*(f_status.st_size+1)); |
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| 482 | FILE* f=fopen(cached,"rb"); |
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| 483 | fread(fcontent,f_status.st_size,1,f); |
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| 484 | fsize=f_status.st_size; |
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| 485 | fcontent[fsize]=0; |
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| 486 | fclose(f); |
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| 487 | addToMap(*content,"cache_file",cached); |
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[854] | 488 | unlockFile(*m,lck); |
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[642] | 489 | } |
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| 490 | cached[strlen(cached)-1]='m'; |
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| 491 | s=stat(cached, &f_status); |
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| 492 | if(s==0){ |
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[854] | 493 | zooLock* lck=lockFile(*m,cached,'r'); |
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| 494 | if(lck==NULL) |
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| 495 | return -1; |
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[642] | 496 | mimeType=(char*)malloc(sizeof(char)*(f_status.st_size+1)); |
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| 497 | FILE* f=fopen(cached,"rb"); |
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| 498 | fread(mimeType,f_status.st_size,1,f); |
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| 499 | mimeType[f_status.st_size]=0; |
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| 500 | fclose(f); |
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[854] | 501 | unlockFile(*m,lck); |
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[642] | 502 | } |
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| 503 | }else{ |
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| 504 | addRequestToQueue(m,hInternet,url,true); |
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| 505 | return 0; |
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| 506 | } |
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| 507 | if(fsize==0){ |
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| 508 | return errorException(*m, _("Unable to download the file."), "InternalError",NULL); |
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| 509 | } |
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| 510 | if(mimeType!=NULL){ |
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| 511 | addToMap(*content,"fmimeType",mimeType); |
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| 512 | } |
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| 513 | |
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| 514 | map* tmpMap=getMapOrFill(content,"value",""); |
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| 515 | |
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| 516 | free(tmpMap->value); |
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| 517 | tmpMap->value=(char*)malloc((fsize+1)*sizeof(char)); |
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[738] | 518 | if(tmpMap->value==NULL || fcontent == NULL) |
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[725] | 519 | return errorException(*m, _("Unable to allocate memory"), "InternalError",NULL); |
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[642] | 520 | memcpy(tmpMap->value,fcontent,(fsize+1)*sizeof(char)); |
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| 521 | |
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| 522 | char ltmp1[256]; |
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| 523 | sprintf(ltmp1,"%d",fsize); |
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| 524 | addToMap(*content,"size",ltmp1); |
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| 525 | if(cached==NULL){ |
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| 526 | addToCache(*m,url,fcontent,mimeType,fsize, NULL, 0); |
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| 527 | } |
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| 528 | else{ |
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| 529 | addToMap(*content,"isCached","true"); |
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| 530 | map* tmp=getMapFromMaps(*m,"main","cacheDir"); |
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| 531 | if(tmp!=NULL){ |
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| 532 | map *c=getMap((*content),"xlink:href"); |
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[854] | 533 | char *myRequest=getFilenameForRequest(*m,c->value); |
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| 534 | char* md5str=getMd5(myRequest); |
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| 535 | free(myRequest); |
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[642] | 536 | char* fname=(char*)malloc(sizeof(char)*(strlen(tmp->value)+strlen(md5str)+6)); |
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| 537 | sprintf(fname,"%s/%s.zca",tmp->value,md5str); |
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| 538 | addToMap(*content,"cache_file",fname); |
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| 539 | free(fname); |
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[839] | 540 | free(md5str); |
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[642] | 541 | } |
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| 542 | } |
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| 543 | free(fcontent); |
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| 544 | free(mimeType); |
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| 545 | free(cached); |
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| 546 | return 0; |
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| 547 | } |
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