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132 lines
2.7 KiB
C++
132 lines
2.7 KiB
C++
////////////////////////////////////////////////////////
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//
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// download.cpp
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//
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// Stuff related to downloading
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//
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//
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// Maarten Bosma, 09.01.2004
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// maarten.paul@bosma.de
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//
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////////////////////////////////////////////////////////
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#include "package.hpp"
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#include "expat.h"
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#include "log.h"
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#include <wine/urlmon.h>
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// Server there all the files lie
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const char* tree_server = "http://svn.reactos.com/viewcvs/*checkout*/trunk/rosapps/packmgr/tree/";
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HRESULT WINAPI URLDownloadToFileA(
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LPUNKNOWN pCaller,
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LPCSTR szURL,
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LPCSTR szFileName,
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DWORD dwReserved,
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LPBINDSTATUSCALLBACK lpfnCB
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);
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int FindCount (string What, string Where, int start = 0, int end = -1);
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// Download a file
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char* PML_Download (const char* url, const char* server = "tree", const char* filename = NULL)
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{
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char downl [MAX_PATH];
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static char path [MAX_PATH];
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// get temp dir
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if(!filename)
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GetTempPathA (200, path);
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else if(!strstr(filename, "\\"))
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GetTempPathA (200, path);
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// create the local file name
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if(filename)
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{
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strcat(path, filename);
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DeleteFileA (path);
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}
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else
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GetTempFileNameA (path, "pml", 0, path);
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// get the url
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if (!server)
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strcpy(downl, "");
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else if(!strcmp(server, "tree"))
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strcpy(downl, tree_server);
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else
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strcpy(downl, server);
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strcat(downl, url);
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// download the file
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if(URLDownloadToFileA (NULL, downl, path, 0, NULL) != S_OK)
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{
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Log("! ERROR: Unable to download ");
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LogAdd(downl);
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return NULL;
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}
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return path;
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}
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// Download and prozess a xml file
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int PML_XmlDownload (const char* url, void* usrdata, XML_StartElementHandler start,
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XML_EndElementHandler end, XML_CharacterDataHandler text)
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{
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char buffer[255];
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int done = 0;
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// logging
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Log("* prozess the xml file: ");
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LogAdd(url);
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// download the file
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char* filename = PML_Download(url);
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if(!filename)
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{
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Log("! ERROR: Could not download the xml file");
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return ERR_DOWNL;
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}
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// open the file
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FILE* file = fopen(filename, "r");
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if(!file)
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{
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Log("! ERROR: Could not open the xml file");
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return ERR_GENERIC;
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}
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// parse the xml file
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XML_Parser parser = XML_ParserCreate(NULL);
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XML_SetUserData (parser, usrdata);
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XML_SetElementHandler(parser, start, end);
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XML_SetCharacterDataHandler(parser, text);
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while (!done)
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{
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size_t len = fread (buffer, 1, sizeof(buffer), file);
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done = len < sizeof(buffer);
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buffer[len] = 0;
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if(!XML_Parse(parser, buffer, len, done))
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{
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Log("! ERROR: Could not parse the xml file");
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return ERR_GENERIC;
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}
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}
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XML_ParserFree(parser);
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fclose(file);
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return ERR_OK;
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}
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