+++ /dev/null
-/*
- * Copyright (c) 1996-2012 by the citadel.org team
- *
- * This program is open source software. You can redistribute it and/or
- * modify it under the terms of the GNU General Public License, version 3.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include "webcit.h"
-#include "webserver.h"
-
-CtxType CTX_FILELIST = CTX_NONE;
-
-extern void output_static(const char* What);
-
-extern char* static_dirs[];
-
-typedef struct _FileListStruct {
- StrBuf *Filename;
- long FileSize;
- StrBuf *MimeType;
- StrBuf *Comment;
- int IsPic;
- int Sequence;
-} FileListStruct;
-
-void FreeFiles(void *vFile)
-{
- FileListStruct *F = (FileListStruct*) vFile;
- FreeStrBuf(&F->Filename);
- FreeStrBuf(&F->MimeType);
- FreeStrBuf(&F->Comment);
- free(F);
-}
-
-/* -------------------------------------------------------------------------------- */
-void tmplput_FILE_NAME(StrBuf *Target, WCTemplputParams *TP)
-{
- FileListStruct *F = (FileListStruct*) CTX(CTX_FILELIST);
- StrBufAppendTemplate(Target, TP, F->Filename, 0);
-}
-void tmplput_FILE_SIZE(StrBuf *Target, WCTemplputParams *TP)
-{
- FileListStruct *F = (FileListStruct*) CTX(CTX_FILELIST);
- StrBufAppendPrintf(Target, "%ld", F->FileSize);
-}
-void tmplput_FILEMIMETYPE(StrBuf *Target, WCTemplputParams *TP)
-{
- FileListStruct *F = (FileListStruct*) CTX(CTX_FILELIST);
- StrBufAppendTemplate(Target, TP, F->MimeType, 0);
-}
-void tmplput_FILE_COMMENT(StrBuf *Target, WCTemplputParams *TP)
-{
- FileListStruct *F = (FileListStruct*) CTX(CTX_FILELIST);
- StrBufAppendTemplate(Target, TP, F->Comment, 0);
-}
-
-/* -------------------------------------------------------------------------------- */
-
-int Conditional_FILE_ISPIC(StrBuf *Target, WCTemplputParams *TP)
-{
- FileListStruct *F = (FileListStruct*) CTX(CTX_FILELIST);
- return F->IsPic;
-}
-
-/* -------------------------------------------------------------------------------- */
-int CompareFilelistByMime(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
-
- if (File1->IsPic != File2->IsPic)
- return File1->IsPic > File2->IsPic;
- return strcasecmp(ChrPtr(File1->MimeType), ChrPtr(File2->MimeType));
-}
-int CompareFilelistByMimeRev(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
- if (File1->IsPic != File2->IsPic)
- return File1->IsPic < File2->IsPic;
- return strcasecmp(ChrPtr(File2->MimeType), ChrPtr(File1->MimeType));
-}
-int GroupchangeFilelistByMime(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) vFile1;
- FileListStruct *File2 = (FileListStruct*) vFile2;
-
- if (File1->IsPic != File2->IsPic)
- return File1->IsPic > File2->IsPic;
- return strcasecmp(ChrPtr(File1->MimeType), ChrPtr(File2->MimeType)) != 0;
-}
-
-
-int CompareFilelistByName(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
-
- if (File1->IsPic != File2->IsPic)
- return File1->IsPic > File2->IsPic;
- return strcasecmp(ChrPtr(File1->Filename), ChrPtr(File2->Filename));
-}
-int CompareFilelistByNameRev(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
- if (File1->IsPic != File2->IsPic)
- return File1->IsPic < File2->IsPic;
- return strcasecmp(ChrPtr(File2->Filename), ChrPtr(File1->Filename));
-}
-int GroupchangeFilelistByName(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) vFile1;
- FileListStruct *File2 = (FileListStruct*) vFile2;
-
- return ChrPtr(File1->Filename)[0] != ChrPtr(File2->Filename)[0];
-}
-
-
-int CompareFilelistBySize(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
- if (File1->FileSize == File2->FileSize)
- return 0;
- return (File1->FileSize > File2->FileSize);
-}
-int CompareFilelistBySizeRev(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
- if (File1->FileSize == File2->FileSize)
- return 0;
- return (File1->FileSize < File2->FileSize);
-}
-int GroupchangeFilelistBySize(const void *vFile1, const void *vFile2)
-{
- return 0;
-}
-
-
-int CompareFilelistByComment(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
- return strcasecmp(ChrPtr(File1->Comment), ChrPtr(File2->Comment));
-}
-int CompareFilelistByCommentRev(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
- return strcasecmp(ChrPtr(File2->Comment), ChrPtr(File1->Comment));
-}
-int GroupchangeFilelistByComment(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) vFile1;
- FileListStruct *File2 = (FileListStruct*) vFile2;
- return ChrPtr(File1->Comment)[9] != ChrPtr(File2->Comment)[0];
-}
-
-
-int CompareFilelistBySequence(const void *vFile1, const void *vFile2)
-{
- FileListStruct *File1 = (FileListStruct*) GetSearchPayload(vFile1);
- FileListStruct *File2 = (FileListStruct*) GetSearchPayload(vFile2);
- return (File2->Sequence > File1->Sequence);
-}
-int GroupchangeFilelistBySequence(const void *vFile1, const void *vFile2)
-{
- return 0;
-}
-
-/* -------------------------------------------------------------------------------- */
-HashList* LoadFileList(StrBuf *Target, WCTemplputParams *TP)
-{
- FileListStruct *Entry;
- StrBuf *Buf;
- HashList *Files;
- int Done = 0;
- int sequence = 0;
- char buf[1024];
- CompareFunc SortIt;
- int HavePic = 0;
- WCTemplputParams SubTP;
-
- memset(&SubTP, 0, sizeof(WCTemplputParams));
- serv_puts("RDIR");
- serv_getln(buf, sizeof buf);
- if (buf[0] != '1') return NULL;
-
- Buf = NewStrBuf();
- Files = NewHash(1, NULL);
- while (!Done && (StrBuf_ServGetln(Buf)>=0)) {
- if ( (StrLength(Buf)==3) &&
- !strcmp(ChrPtr(Buf), "000"))
- {
- Done = 1;
- continue;
- }
-
- Entry = (FileListStruct*) malloc(sizeof (FileListStruct));
- Entry->Filename = NewStrBufPlain(NULL, StrLength(Buf));
- Entry->MimeType = NewStrBufPlain(NULL, StrLength(Buf));
- Entry->Comment = NewStrBufPlain(NULL, StrLength(Buf));
-
- Entry->Sequence = sequence++;
-
- StrBufExtract_token(Entry->Filename, Buf, 0, '|');
- Entry->FileSize = StrBufExtract_long(Buf, 1, '|');
- StrBufExtract_token(Entry->MimeType, Buf, 2, '|');
- StrBufExtract_token(Entry->Comment, Buf, 3, '|');
-
-
-
- Entry->IsPic = (strstr(ChrPtr(Entry->MimeType), "image") != NULL);
- if (Entry->IsPic) {
- HavePic = 1;
- }
- Put(Files, SKEY(Entry->Filename), Entry, FreeFiles);
- }
- if (HavePic)
- putbstr("__HAVE_PIC", NewStrBufPlain(HKEY("1")));
- SubTP.Filter.ContextType = CTX_FILELIST;
- SortIt = RetrieveSort(&SubTP, NULL, 0, HKEY("fileunsorted"), 0);
- if (SortIt != NULL)
- SortByPayload(Files, SortIt);
- else
- SortByPayload(Files, CompareFilelistBySequence);
- FreeStrBuf(&Buf);
- return Files;
-}
-
-void display_mime_icon(void)
-{
- char FileBuf[SIZ];
- const char *FileName;
- char *MimeType;
- size_t tlen;
-
- MimeType = xbstr("type", &tlen);
- FileName = GetIconFilename(MimeType, tlen);
-
- if (FileName == NULL)
- snprintf (FileBuf, SIZ, "%s%s", static_dirs[0], "/webcit_icons/essen/16x16/file.png");
- else
- snprintf (FileBuf, SIZ, "%s%s", static_dirs[3], FileName);
- output_static(FileBuf);
-}
-
-void download_file(void)
-{
- wcsession *WCC = WC;
- StrBuf *Buf;
- off_t bytes;
- StrBuf *ContentType = NewStrBufPlain(HKEY("application/octet-stream"));
-
- /* Setting to nonzero forces a MIME type of application/octet-stream */
- int force_download = 1;
-
- Buf = NewStrBuf();
- StrBufExtract_token(Buf, WCC->Hdr->HR.ReqLine, 0, '/');
- StrBufUnescape(Buf, 1);
- serv_printf("OPEN %s", ChrPtr(Buf));
- StrBuf_ServGetln(Buf);
- if (GetServerStatus(Buf, NULL) == 2) {
- StrBufCutLeft(Buf, 4);
- bytes = StrBufExtract_long(Buf, 0, '|');
- StrBufExtract_token(ContentType, Buf, 3, '|');
-
- CheckGZipCompressionAllowed (SKEY(ContentType));
- if (force_download)
- FlushStrBuf(ContentType);
-
- serv_read_binary_to_http(ContentType, bytes, 0, 0);
- serv_puts("CLOS");
- StrBuf_ServGetln(Buf);
- } else {
- StrBufCutLeft(Buf, 4);
- hprintf("HTTP/1.1 404 %s\n", ChrPtr(Buf));
- output_headers(0, 0, 0, 0, 0, 0);
- hprintf("Content-Type: text/plain\r\n");
- wc_printf(_("An error occurred while retrieving this file: %s\n"),
- ChrPtr(Buf));
- end_burst();
- }
- FreeStrBuf(&ContentType);
- FreeStrBuf(&Buf);
-}
-
-
-
-void delete_file(void)
-{
- const StrBuf *MimeType;
- StrBuf *Line;
- char buf[256];
-
- safestrncpy(buf, bstr("file"), sizeof buf);
- unescape_input(buf);
- serv_printf("DELF %s", buf);
-
- StrBuf_ServGetln(Line);
- GetServerStatusMsg(Line, NULL, 1, 0);
-
- MimeType = DoTemplate(HKEY("files"), NULL, &NoCtx);
- http_transmit_thing(ChrPtr(MimeType), 0);
- FreeStrBuf(&Line);
-}
-
-
-
-void upload_file(void)
-{
- const StrBuf *RetMimeType;
- const char *MimeType;
- StrBuf *Line;
- long bytes_transmitted = 0;
- long blocksize;
- const StrBuf *Desc;
- wcsession *WCC = WC; /* stack this for faster access (WC is a function) */
-
- MimeType = GuessMimeType(ChrPtr(WCC->upload), WCC->upload_length);
-
- Desc = sbstr("description");
-
- serv_printf("UOPN %s|%s|%s",
- ChrPtr(WCC->upload_filename),
- MimeType,
- ChrPtr(Desc));
- Line = NewStrBuf();
- StrBuf_ServGetln(Line);
- if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
- RetMimeType = DoTemplate(HKEY("files"), NULL, &NoCtx);
- http_transmit_thing(ChrPtr(RetMimeType), 0);
- FreeStrBuf(&Line);
- return;
- }
-
- while (bytes_transmitted < WCC->upload_length)
- {
- blocksize = 4096;
- if (blocksize > (WCC->upload_length - bytes_transmitted))
- {
- blocksize = (WCC->upload_length - bytes_transmitted);
- }
- serv_printf("WRIT %ld", blocksize);
- StrBuf_ServGetln(Line);
- if (GetServerStatusMsg(Line, NULL, 0, 0) == 7) {
- blocksize = atoi(ChrPtr(Line) + 4);
- serv_write(&ChrPtr(WCC->upload)[bytes_transmitted], blocksize);
- bytes_transmitted += blocksize;
- }
- else
- break;
- }
-
- serv_puts("UCLS 1");
- StrBuf_ServGetln(Line);
- GetServerStatusMsg(Line, NULL, 1, 0);
- RetMimeType = DoTemplate(HKEY("files"), NULL, &NoCtx);
- http_transmit_thing(ChrPtr(RetMimeType), 0);
- FreeStrBuf(&Line);
-}
-
-
-
-/*
- * When the browser requests an image file from the Citadel server,
- * this function is called to transmit it.
- */
-void output_image(void)
-{
- StrBuf *Buf;
- wcsession *WCC = WC;
- off_t bytes;
- const char *MimeType;
-
- Buf = NewStrBuf();
- serv_printf("OIMG %s|%s", bstr("name"), bstr("parm"));
- StrBuf_ServGetln(Buf);
- if (GetServerStatus(Buf, NULL) == 2) {
- int rc;
- StrBufCutLeft(Buf, 4);
- bytes = StrBufExtract_long(Buf, 0, '|');
-
- /** Read it from the server */
-
- rc = serv_read_binary(WCC->WBuf, bytes, Buf);
- serv_puts("CLOS");
- StrBuf_ServGetln(Buf);
-
- if (rc > 0) {
- MimeType = GuessMimeType (ChrPtr(WCC->WBuf), StrLength(WCC->WBuf));
- /** Write it to the browser */
- if (!IsEmptyStr(MimeType))
- {
- CheckGZipCompressionAllowed (MimeType, strlen(MimeType));
- http_transmit_thing(MimeType, 0);
- FreeStrBuf(&Buf);
- return;
- }
- }
- /* hm... unknown mimetype? fallback to blank gif */
- }
- else {
- syslog(LOG_DEBUG, "OIMG failed: %s", ChrPtr(Buf));
- }
-
-
- /*
- * Instead of an ugly 404, send a 1x1 transparent GIF
- * when there's no such image on the server.
- */
- StrBufPrintf (Buf, "%s%s", static_dirs[0], "/webcit_icons/blank.gif");
- output_static(ChrPtr(Buf));
- FreeStrBuf(&Buf);
-}
-
-void
-InitModule_DOWNLOAD
-(void)
-{
- RegisterCTX(CTX_FILELIST);
-
- RegisterIterator("ROOM:FILES", 0, NULL, LoadFileList,
- NULL, DeleteHash, CTX_FILELIST, CTX_NONE,
- IT_FLAG_DETECT_GROUPCHANGE);
-
- RegisterSortFunc(HKEY("filemime"),
- NULL, 0,
- CompareFilelistByMime,
- CompareFilelistByMimeRev,
- GroupchangeFilelistByMime,
- CTX_FILELIST);
- RegisterSortFunc(HKEY("filename"),
- NULL, 0,
- CompareFilelistByName,
- CompareFilelistByNameRev,
- GroupchangeFilelistByName,
- CTX_FILELIST);
- RegisterSortFunc(HKEY("filesize"),
- NULL, 0,
- CompareFilelistBySize,
- CompareFilelistBySizeRev,
- GroupchangeFilelistBySize,
- CTX_FILELIST);
- RegisterSortFunc(HKEY("filesubject"),
- NULL, 0,
- CompareFilelistByComment,
- CompareFilelistByCommentRev,
- GroupchangeFilelistByComment,
- CTX_FILELIST);
- RegisterSortFunc(HKEY("fileunsorted"),
- NULL, 0,
- CompareFilelistBySequence,
- CompareFilelistBySequence,
- GroupchangeFilelistBySequence,
- CTX_FILELIST);
-
- RegisterNamespace("FILE:NAME", 0, 2, tmplput_FILE_NAME, NULL, CTX_FILELIST);
- RegisterNamespace("FILE:SIZE", 0, 1, tmplput_FILE_SIZE, NULL, CTX_FILELIST);
- RegisterNamespace("FILE:MIMETYPE", 0, 2, tmplput_FILEMIMETYPE, NULL, CTX_FILELIST);
- RegisterNamespace("FILE:COMMENT", 0, 2, tmplput_FILE_COMMENT, NULL, CTX_FILELIST);
-
- RegisterConditional("COND:FILE:ISPIC", 0, Conditional_FILE_ISPIC, CTX_FILELIST);
-
- WebcitAddUrlHandler(HKEY("image"), "", 0, output_image, ANONYMOUS);
- WebcitAddUrlHandler(HKEY("display_mime_icon"), "", 0, display_mime_icon , ANONYMOUS);
- WebcitAddUrlHandler(HKEY("download_file"), "", 0, download_file, NEED_URL);
- WebcitAddUrlHandler(HKEY("delete_file"), "", 0, delete_file, NEED_URL);
- WebcitAddUrlHandler(HKEY("upload_file"), "", 0, upload_file, 0);
-}
projects / citadel.git / blobdiff