Mercurial > ~mikael > mcabber > hg
view mcabber/mcabber/nohtml.c @ 2161:28ee843ddc02
Do not skip Carbons of encrypted messages
Since we don't know we were not the intended recipient of the encrypted
message, try to read encrypted messages even if we are not the primary
recipient.
author | Mikael Berthe <mikael@lilotux.net> |
---|---|
date | Sun, 26 Oct 2014 12:48:50 +0100 |
parents | e6d355e50d7a |
children | f3bd1564fa70 |
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/* * nohtml.c -- (X)HTML helper functions * * Copyright (C) 2008,2009 Mikael Berthe <mikael@lilotux.net> * Some portions come from the jabberd project, see below. * * 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 2 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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA * * * Some parts come from libjabber/str.c: * Copyright (c) 1999-2002 Jabber.com, Inc. All Rights Reserved. Contact * information for Jabber.com, Inc. is available at http://www.jabber.com/. * Portions Copyright (c) 1998-1999 Jeremie Miller. */ #include <string.h> #include <glib.h> #include <config.h> /* html_strip(htmlbuf) * Remove html entities from htmlbuf and try to convert it to plain text. * The caller must g_free the string after use. * Code mostly derived from strunescape(), in libjabber. */ char *html_strip(const char *htmlbuf) { int i, j=0; char *nohtml; if (!htmlbuf) return(NULL); nohtml = g_strdup(htmlbuf); if (!strchr(htmlbuf, '&') && !strchr(htmlbuf, '<')) return(nohtml); for (i = 0; i < (int)strlen(htmlbuf); i++) { if (htmlbuf[i] == '&') { if (!strncmp(&htmlbuf[i],"&",5)) { nohtml[j] = '&'; i += 4; } else if (!strncmp(&htmlbuf[i],""", 6)) { nohtml[j] = '\"'; i += 5; } else if (!strncmp(&htmlbuf[i],"'", 6)) { nohtml[j] = '\''; i += 5; } else if (!strncmp(&htmlbuf[i],"<", 4)) { nohtml[j] = '<'; i += 3; } else if (!strncmp(&htmlbuf[i],">", 4)) { nohtml[j] = '>'; i += 3; } } else if (!strncmp(&htmlbuf[i],"<br>", 4) || !strncmp(&htmlbuf[i],"<br/>", 5)) { nohtml[j] = '\n'; i += (htmlbuf[i+3] == '/' ? 4 : 3); } else if (htmlbuf[i] == '<') { /* Let's strip all unknown tags */ j--; while (htmlbuf[++i] != '>'); } else nohtml[j] = htmlbuf[i]; j++; } nohtml[j] = '\0'; return nohtml; } /* html_escape(text) * Add (x)html entities to the text. * The caller must g_free the string after use. * Code mostly derived from strescape(), in libjabber. */ char *html_escape(const char *text) { int i, j; int oldlen, newlen; char *html; if (!text) return(NULL); oldlen = newlen = strlen(text); for (i = 0; i < oldlen; i++) { switch(text[i]) { case '&': newlen += 5; break; case '\'': newlen += 6; break; case '\"': newlen += 6; break; case '<': newlen += 4; break; case '>': newlen += 4; break; case '\n': newlen += 5; } } if (oldlen == newlen) return g_strdup(text); html = g_new0(char, newlen+1); for (i = j = 0; i < oldlen; i++) { switch(text[i]) { case '&': memcpy(&html[j], "&", 5); j += 5; break; case '\'': memcpy(&html[j], "'", 6); j += 6; break; case '\"': memcpy(&html[j], """, 6); j += 6; break; case '<': memcpy(&html[j], "<", 4); j += 4; break; case '>': memcpy(&html[j], ">", 4); j += 4; break; case '\n': memcpy(&html[j], "<br/>", 5); j += 5; break; default: html[j++] = text[i]; } } return html; } /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */