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be04afc103
More information: http://reactos.com/wiki/index.php/ReactOS_Package_Manager * Maarten Bosma (Dr. Fred) * Klemens Friedl (frik85) svn path=/trunk/; revision=14481
117 lines
2.4 KiB
C++
117 lines
2.4 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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// Download a file
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char* PML_Download (const char* name, const char* local_name = "packmgr.txt", const char* server = tree_server, BOOL totemp = TRUE)
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{
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char url [MAX_PATH];
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static char path [MAX_PATH];
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// get temp dir
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if(totemp)
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GetTempPathA (200, path);
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// create the local file name
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if(local_name)
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strcat(path, local_name);
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else
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strcat(path, "tmp.tmp");
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// get the url
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if(server) strcpy(url, server);
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strcat(url, name);
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// make sure there is no old file
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DeleteFileA (path);
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// download the file
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if(URLDownloadToFileA (NULL, url, path, 0, NULL) != S_OK)
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{
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Log("! ERROR: Unable to download ");
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LogAdd(url);
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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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