*
* This is the MIME parser for Citadel.
*
- * Copyright (c) 1998-2007 by Art Cancro
+ * Copyright (c) 1998-2007 by the citadel.org development team.
* This code is distributed under the GNU General Public License v3.
*
*/
#include <ctype.h>
#include <string.h>
#include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
#include <errno.h>
+#include "xdgmime/xdgmime.h"
#include "libcitadel.h"
-
void extract_key(char *target, char *source, char *key)
{
char *ptr;
PostMultiPartCallBack,
userdata, dont_decode);
}
+
+
+
+
+
+
+typedef struct _MimeGuess {
+ const char *Pattern;
+ size_t PatternLen;
+ long PatternOffset;
+ const char *MimeString;
+} MimeGuess;
+
+MimeGuess MyMimes [] = {
+ {
+ "GIF",
+ 3,
+ 0,
+ "image/gif"
+ },
+ {
+ "\xff\xd8",
+ 2,
+ 0,
+ "image/jpeg"
+ },
+ {
+ "\x89PNG",
+ 4,
+ 0,
+ "image/png"
+ },
+ { // last...
+ "",
+ 0,
+ 0,
+ ""
+ }
+};
+
+
+const char *GuessMimeType(char *data, size_t dlen)
+{
+ int MimeIndex = 0;
+
+ while (MyMimes[MimeIndex].PatternLen != 0)
+ {
+ if ((MyMimes[MimeIndex].PatternLen +
+ MyMimes[MimeIndex].PatternOffset < dlen) &&
+ strncmp(MyMimes[MimeIndex].Pattern,
+ &data[MyMimes[MimeIndex].PatternOffset],
+ MyMimes[MimeIndex].PatternLen) == 0)
+ {
+ return MyMimes[MimeIndex].MimeString;
+ }
+ MimeIndex ++;
+ }
+ /*
+ * ok, our simple minded algorythm didn't find anything,
+ * let the big chegger try it, he wil default to application/octet-stream
+ */
+ return (xdg_mime_get_mime_type_for_data(data, dlen));
+}
+
+
+const char* GuessMimeByFilename(const char *what, size_t len)
+{
+ /* we know some hardcoded on our own, try them... */
+ if (!strncasecmp(&what[len - 4], ".gif", 4))
+ return "image/gif";
+ else if (!strncasecmp(&what[len - 3], ".js", 3))
+ return "text/javascript";
+ else if (!strncasecmp(&what[len - 4], ".txt", 4))
+ return "text/plain";
+ else if (!strncasecmp(&what[len - 4], ".css", 4))
+ return "text/css";
+ else if (!strncasecmp(&what[len - 4], ".jpg", 4))
+ return "image/jpeg";
+ else if (!strncasecmp(&what[len - 4], ".png", 4))
+ return "image/png";
+ else if (!strncasecmp(&what[len - 4], ".ico", 4))
+ return "image/x-icon";
+ else if (!strncasecmp(&what[len - 5], ".html", 5))
+ return "text/html";
+ else if (!strncasecmp(&what[len - 4], ".htm", 4))
+ return "text/html";
+ else if (!strncasecmp(&what[len - 4], ".wml", 4))
+ return "text/vnd.wap.wml";
+ else if (!strncasecmp(&what[len - 5], ".wmls", 5))
+ return "text/vnd.wap.wmlscript";
+ else if (!strncasecmp(&what[len - 5], ".wmlc", 5))
+ return "application/vnd.wap.wmlc";
+ else if (!strncasecmp(&what[len - 6], ".wmlsc", 6))
+ return "application/vnd.wap.wmlscriptc";
+ else if (!strncasecmp(&what[len - 5], ".wbmp", 5))
+ return "image/vnd.wap.wbmp";
+ else
+ /* and let xdgmime do the fallback. */
+ return xdg_mime_get_mime_type_from_file_name(what);
+}
+
+static HashList *IconHash = NULL;
+
+typedef struct IconName IconName;
+
+struct IconName {
+ char *FlatName;
+ char *FileName;
+};
+
+static void DeleteIcon(void *IconNamePtr)
+{
+ IconName *Icon = (IconName*) IconNamePtr;
+ free(Icon->FlatName);
+ free(Icon->FileName);
+}
+
+static const char *PrintFlat(void *IconNamePtr)
+{
+ IconName *Icon = (IconName*) IconNamePtr;
+ return Icon->FlatName;
+}
+static const char *PrintFile(void *IconNamePtr)
+{
+ IconName *Icon = (IconName*) IconNamePtr;
+ return Icon->FileName;
+}
+#define GENSTR "x-generic"
+#define IGNORE_PREFIX_1 "gnome-mime"
+int LoadIconDir(const char *DirName)
+{
+ DIR *filedir = NULL;
+ struct dirent *filedir_entry;
+ int d_namelen;
+ int d_without_ext;
+ IconName *Icon;
+
+ filedir = opendir (DirName);
+ IconHash = NewHash();
+ if (filedir == NULL) {
+ return 0;
+ }
+
+ while ((filedir_entry = readdir(filedir)))
+ {
+ char *MinorPtr;
+ char *PStart;
+#ifdef _DIRENT_HAVE_D_NAMELEN
+ d_namelen = filedir_entry->d_namelen;
+#else
+ d_namelen = strlen(filedir_entry->d_name);
+#endif
+ d_without_ext = d_namelen;
+ while ((d_without_ext > 0) && (filedir_entry->d_name[d_without_ext] != '.'))
+ d_without_ext --;
+ if ((d_without_ext == 0) || (d_namelen < 3))
+ continue;
+
+ if ((sizeof(IGNORE_PREFIX_1) < d_namelen) &&
+ (strncmp(IGNORE_PREFIX_1,
+ filedir_entry->d_name,
+ sizeof(IGNORE_PREFIX_1) - 1) == 0)) {
+ PStart = filedir_entry->d_name + sizeof(IGNORE_PREFIX_1);
+ d_without_ext -= sizeof(IGNORE_PREFIX_1);
+ }
+ else {
+ PStart = filedir_entry->d_name;
+ }
+ Icon = malloc(sizeof(IconName));
+
+ Icon->FileName = malloc(d_namelen + 1);
+ memcpy(Icon->FileName, filedir_entry->d_name, d_namelen + 1);
+
+ Icon->FlatName = malloc(d_without_ext + 1);
+ memcpy(Icon->FlatName, PStart, d_without_ext);
+ Icon->FlatName[d_without_ext] = '\0';
+ /* Try to find Minor type in image-jpeg */
+ MinorPtr = strchr(Icon->FlatName, '-');
+ if (MinorPtr != NULL) {
+ size_t MinorLen;
+ MinorLen = 1 + d_without_ext - (MinorPtr - Icon->FlatName + 1);
+ if ((MinorLen == sizeof(GENSTR)) &&
+ (strncmp(MinorPtr + 1, GENSTR, sizeof(GENSTR)) == 0)) {
+ /* ok, we found a generic filename. cut the generic. */
+ *MinorPtr = '\0';
+ d_without_ext = d_without_ext - (MinorPtr - Icon->FlatName);
+ }
+ else { /* Map the major / minor separator to / */
+ *MinorPtr = '/';
+ }
+ }
+
+// PrintHash(IconHash, PrintFlat, PrintFile);
+// printf("%s - %s\n", Icon->FlatName, Icon->FileName);
+ Put(IconHash, Icon->FlatName, d_without_ext, Icon, DeleteIcon);
+// PrintHash(IconHash, PrintFlat, PrintFile);
+ }
+ return 1;
+}
+
+const char *GetIconFilename(char *MimeType, size_t len)
+{
+ IconName *Icon;
+
+ if(IconHash == NULL)
+ return NULL;
+
+ GetHash(IconHash, MimeType, len, (void**)&Icon);
+ /* didn't find the exact mimetype? try major only. */
+ if (Icon == NULL) {
+ char * pMinor;
+ pMinor = strchr(MimeType, '/');
+ if (pMinor != NULL) {
+ *pMinor = '\0';
+ GetHash(IconHash, MimeType, pMinor - MimeType, (void**)&Icon);
+ }
+ }
+ if (Icon == NULL) {
+ return NULL;
+ }
+
+ /*printf("Getting: [%s] == [%s] -> [%s]\n", MimeType, Icon->FlatName, Icon->FileName);*/
+ return Icon->FileName;
+}
+
+void ShutDownLibCitadel(void)
+{
+ DeleteHash(&IconHash);
+}
projects / citadel.git / blobdiff