/*
- * $Id$
- */
-/**
- * \defgroup HTML2HTML Output an HTML message, modifying it slightly to make sure it plays nice
+ * Output an HTML message, modifying it slightly to make sure it plays nice
* with the rest of our web framework.
- * \ingroup WebcitHttpServer
+ *
+ * Copyright (c) 2005-2010 by the citadel.org team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
*/
-/*@{*/
+
#include "webcit.h"
#include "webserver.h"
-/**
- * \brief Strip surrounding single or double quotes from a string.
- *
- * \param s String to be stripped.
+/*
+ * Strip surrounding single or double quotes from a string.
*/
void stripquotes(char *s)
{
}
-/**
- * \brief Check to see if a META tag has overridden the declared MIME character set.
+/*
+ * Check to see if a META tag has overridden the declared MIME character set.
*
- * \param charset Character set name (left unchanged if we don't do anything)
- * \param meta_http_equiv Content of the "http-equiv" portion of the META tag
- * \param meta_content Content of the "content" portion of the META tag
+ * charset Character set name (left unchanged if we don't do anything)
+ * meta_http_equiv Content of the "http-equiv" portion of the META tag
+ * meta_content Content of the "content" portion of the META tag
*/
void extract_charset_from_meta(char *charset, char *meta_http_equiv, char *meta_content)
{
strcpy(charset, "UTF-8");
}
+ /* Remove wandering punctuation */
+ if ((ptr=strchr(charset, '\"'))) *ptr = 0;
+ striplt(charset);
}
}
-/**
- * \brief Sanitize and enhance an HTML message for display.
- * Also convert weird character sets to UTF-8 if necessary.
- * Also fixup img src="cid:..." type inline images to fetch the image
+/*
+ * Sanitize and enhance an HTML message for display.
+ * Also convert weird character sets to UTF-8 if necessary.
+ * Also fixup img src="cid:..." type inline images to fetch the image
*
- * \param supplied_charset the input charset as declared in the MIME headers
*/
void output_html(const char *supplied_charset, int treat_as_wiki, int msgnum, StrBuf *Source, StrBuf *Target) {
char buf[SIZ];
StrBuf *BodyArea = NULL;
#ifdef HAVE_ICONV
iconv_t ic = (iconv_t)(-1) ;
- char *ibuf; /**< Buffer of characters to be converted */
- char *obuf; /**< Buffer for converted characters */
- size_t ibuflen; /**< Length of input buffer */
- size_t obuflen; /**< Length of output buffer */
- char *osav; /**< Saved pointer to output buffer */
+ char *ibuf; /* Buffer of characters to be converted */
+ char *obuf; /* Buffer for converted characters */
+ size_t ibuflen; /* Length of input buffer */
+ size_t obuflen; /* Length of output buffer */
+ char *osav; /* Saved pointer to output buffer */
#endif
if (Target == NULL)
Target = WC->WBuf;
++ptr;
if ((ptr == NULL) || (ptr >= msgend)) break;
- /**
+ /*
* Look for META tags. Some messages (particularly in
* Asian locales) illegally declare a message's character
* set in the HTML instead of in the MIME headers. This
}
}
- /**
+ /*
* Any of these tags cause everything up to and including
* the tag to be removed.
*/
msgstart = ptr;
}
- /**
+ /*
* Any of these tags cause everything including and following
* the tag to be removed.
*/
strcpy(msg, msgstart);
}
- /** Now go through the message, parsing tags as necessary. */
+ /* Now go through the message, parsing tags as necessary. */
converted_msg = NewStrBufPlain(NULL, content_length + 8192);
#endif
- /**
+ /*
* At this point, the message has been stripped down to
* only the content inside the <BODY></BODY> tags, and has
* been converted to UTF-8 if it was originally in a foreign
if (!strncasecmp(ptr, "<a href=\"mailto:", 16)) {
content_length += 64;
StrBufAppendPrintf(converted_msg,
- "<a href=\"display_enter?force_room=_MAIL_&recp=");
+ "<a href=\"display_enter?force_room=_MAIL_?recp=");
ptr = &ptr[16];
++alevel;
++brak;
}
/** Fixup <img src="cid:... ...> to fetch the mime part */
else if (!strncasecmp(ptr, "<img ", 5)) {
- char* tag_end=strchr(ptr,'>');
- char* src=strstr(ptr, " src=\"cid:");
char *cid_start, *cid_end;
- ++brak;
+ char* tag_end=strchr(ptr,'>');
+ char* src;
+ /* FIXME - handle this situation (maybe someone opened an <img cid...
+ * and then ended the message)
+ */
+ if (!tag_end) {
+ lprintf(9, "tag_end is null and ptr is:\n");
+ lprintf(9, "%s\n", ptr);
+ lprintf(9, "Theoretical bytes remaining: %d\n", msgend - ptr);
+ }
- if (src &&
- (cid_start=strchr(src,':')) &&
- (cid_end=strchr(cid_start,'"')) &&
- (cid_end < tag_end)) {
+ src=strstr(ptr, "src=\"cid:");
+ ++brak;
+ if (src
+ && isspace(*(src-1))
+ && tag_end
+ && (cid_start=strchr(src,':'))
+ && (cid_end=strchr(cid_start,'"'))
+ && (cid_end < tag_end)
+ ) {
/* copy tag and attributes up to src="cid: */
StrBufAppendBufPlain(converted_msg, ptr, src - ptr, 0);
cid_start++;
ptr++;
}
- /**
- * We need to know when we're inside a tag,
- * so we don't turn things that look like URL's into
- * links, when they're already links - or image sources.
- */
- if (*(ptr-1) == '<') {
- ++brak;
- }
- if (*(ptr-1) == '>') {
- --brak;
- if ((scriptlevel == 0) && (script_start_pos >= 0)) {
- StrBufCutRight(converted_msg, StrLength(converted_msg) - script_start_pos);
- script_start_pos = (-1);
+
+ if ((ptr >= msg) && (ptr <= msgend)) {
+ /*
+ * We need to know when we're inside a tag,
+ * so we don't turn things that look like URL's into
+ * links, when they're already links - or image sources.
+ */
+ if ((ptr > msg) && (*(ptr-1) == '<')) {
+ ++brak;
}
+ if ((ptr > msg) && (*(ptr-1) == '>')) {
+ --brak;
+ if ((scriptlevel == 0) && (script_start_pos >= 0)) {
+ StrBufCutRight(converted_msg, StrLength(converted_msg) - script_start_pos);
+ script_start_pos = (-1);
+ }
+ }
+ if (!strncasecmp(ptr, "</A>", 3)) --alevel;
}
- if (!strncasecmp(ptr, "</A>", 3)) --alevel;
}
+
if (BodyArea != NULL) {
StrBufAppendBufPlain(converted_msg, HKEY("</td></tr></table>"), 0);
FreeStrBuf(&BodyArea);
if (TrailerLen > 0)
StrBufAppendBufPlain(Target, end, TrailerLen, 0);
}
+
+
void url(char *buf, size_t bufsize)
{
int len, UrlLen, Offset, TrailerLen, outpos;
*(buf + Offset + outpos + TrailerLen) = '\0';
}
-
-
-
-/*@}*/
projects / citadel.git / blobdiff