зеркало из https://github.com/mozilla/gecko-dev.git
593 строки
16 KiB
C
593 строки
16 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* mimemsg.c --- definition of the MimeMessage class (see mimei.h)
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Created: Jamie Zawinski <jwz@netscape.com>, 15-May-96.
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*/
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#include "rosetta.h"
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#include "mimemsg.h"
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#define MIME_SUPERCLASS mimeContainerClass
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MimeDefClass(MimeMessage, MimeMessageClass, mimeMessageClass,
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&MIME_SUPERCLASS);
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static int MimeMessage_initialize (MimeObject *);
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static void MimeMessage_finalize (MimeObject *);
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static int MimeMessage_add_child (MimeObject *, MimeObject *);
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static int MimeMessage_parse_begin (MimeObject *);
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static int MimeMessage_parse_line (char *, int32, MimeObject *);
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static int MimeMessage_parse_eof (MimeObject *, XP_Bool);
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static int MimeMessage_close_headers (MimeObject *obj);
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static int MimeMessage_write_headers_html (MimeObject *);
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#ifndef MOZ_MAIL_COMPOSE
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extern MimeObjectClass mimeFilterClass;
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#endif /* MOZ_MAIL_COMPOSE */
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#ifdef XP_UNIX
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extern void MimeHeaders_do_unix_display_hook_hack(MimeHeaders *);
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#endif /* XP_UNIX */
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#if defined(DEBUG) && defined(XP_UNIX)
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static int MimeMessage_debug_print (MimeObject *, FILE *, int32 depth);
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#endif
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extern MimeObjectClass mimeMultipartClass;
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static int
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MimeMessageClassInitialize(MimeMessageClass *class)
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{
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MimeObjectClass *oclass = (MimeObjectClass *) class;
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MimeContainerClass *cclass = (MimeContainerClass *) class;
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XP_ASSERT(!oclass->class_initialized);
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oclass->initialize = MimeMessage_initialize;
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oclass->finalize = MimeMessage_finalize;
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oclass->parse_begin = MimeMessage_parse_begin;
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oclass->parse_line = MimeMessage_parse_line;
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oclass->parse_eof = MimeMessage_parse_eof;
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cclass->add_child = MimeMessage_add_child;
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#if defined(DEBUG) && defined(XP_UNIX)
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oclass->debug_print = MimeMessage_debug_print;
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#endif
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return 0;
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}
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static int
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MimeMessage_initialize (MimeObject *object)
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{
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return ((MimeObjectClass*)&MIME_SUPERCLASS)->initialize(object);
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}
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static void
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MimeMessage_finalize (MimeObject *object)
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{
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MimeMessage *msg = (MimeMessage *)object;
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if (msg->hdrs)
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MimeHeaders_free(msg->hdrs);
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msg->hdrs = 0;
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((MimeObjectClass*)&MIME_SUPERCLASS)->finalize(object);
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}
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static int
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MimeMessage_parse_begin (MimeObject *obj)
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{
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int status = ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_begin(obj);
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if (status < 0) return status;
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/* Messages have separators before the headers, except for the outermost
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message. */
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return MimeObject_write_separator(obj);
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}
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static int
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MimeMessage_parse_line (char *line, int32 length, MimeObject *obj)
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{
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MimeMessage *msg = (MimeMessage *) obj;
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int status = 0;
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XP_ASSERT(line && *line);
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if (!line || !*line) return -1;
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HG09869
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/* If we already have a child object, then we're done parsing headers,
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and all subsequent lines get passed to the inferior object without
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further processing by us. (Our parent will stop feeding us lines
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when this MimeMessage part is out of data.)
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*/
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if (msg->container.nchildren)
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{
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MimeObject *kid = msg->container.children[0];
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XP_Bool nl;
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XP_ASSERT(kid);
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if (!kid) return -1;
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/* Don't allow MimeMessage objects to not end in a newline, since it
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would be inappropriate for any following part to appear on the same
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line as the last line of the message.
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#### This assumes that the only time the `parse_line' method is
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called with a line that doesn't end in a newline is when that line
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is the last line.
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*/
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nl = (length > 0 && (line[length-1] == CR || line[length-1] == LF));
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#ifdef MIME_DRAFTS
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if ( !mime_typep (kid, (MimeObjectClass*) &mimeMessageClass) &&
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obj->options &&
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obj->options->decompose_file_p &&
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! obj->options->is_multipart_msg &&
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obj->options->decompose_file_output_fn )
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{
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HG09870
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{
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status = obj->options->decompose_file_output_fn (line,
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length,
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obj->options->stream_closure);
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if (status < 0) return status;
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if (!nl) {
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status = obj->options->decompose_file_output_fn (LINEBREAK,
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LINEBREAK_LEN,
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obj->options->stream_closure);
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if (status < 0) return status;
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}
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return status;
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}
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}
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#endif /* MIME_DRAFTS */
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if (nl)
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return kid->class->parse_buffer (line, length, kid);
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else
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{
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/* Hack a newline onto the end. */
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char *s = XP_ALLOC(length + LINEBREAK_LEN + 1);
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if (!s) return MK_OUT_OF_MEMORY;
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XP_MEMCPY(s, line, length);
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XP_STRCPY(s + length, LINEBREAK);
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status = kid->class->parse_buffer (s, length + LINEBREAK_LEN, kid);
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XP_FREE(s);
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return status;
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}
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}
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/* Otherwise we don't yet have a child object, which means we're not
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done parsing our headers yet.
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*/
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if (!msg->hdrs)
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{
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msg->hdrs = MimeHeaders_new();
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if (!msg->hdrs) return MK_OUT_OF_MEMORY;
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}
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#ifdef MIME_DRAFTS
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if ( obj->options &&
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obj->options->decompose_file_p &&
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! obj->options->is_multipart_msg &&
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obj->options->done_parsing_outer_headers &&
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obj->options->decompose_file_output_fn ) {
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status = obj->options->decompose_file_output_fn ( line,
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length,
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obj->options->stream_closure );
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if (status < 0) return status;
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}
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#endif /* MIME_DRAFTS */
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status = MimeHeaders_parse_line(line, length, msg->hdrs);
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if (status < 0) return status;
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/* If this line is blank, we're now done parsing headers, and should
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examine our content-type to create our "body" part.
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*/
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if (*line == CR || *line == LF)
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{
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status = MimeMessage_close_headers(obj);
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if (status < 0) return status;
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}
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return 0;
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}
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static int
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MimeMessage_close_headers (MimeObject *obj)
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{
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MimeMessage *msg = (MimeMessage *) obj;
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int status = 0;
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char *ct = 0; /* Content-Type header */
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MimeObject *body;
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if (msg->hdrs)
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{
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XP_Bool outer_p = !obj->headers; /* is this the outermost message? */
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#ifdef MIME_DRAFTS
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if (outer_p &&
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obj->options &&
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obj->options->decompose_file_p &&
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obj->options->decompose_headers_info_fn)
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{
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HG09868
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status = obj->options->decompose_headers_info_fn (
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obj->options->stream_closure,
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msg->hdrs );
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}
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#endif /* MIME_DRAFTS */
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/* If this is the outermost message, we need to run the
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`generate_header' callback. This happens here instead of
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in `parse_begin', because it's only now that we've parsed
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our headers. However, since this is the outermost message,
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we have yet to write any HTML, so that's fine.
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*/
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if (outer_p &&
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obj->output_p &&
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obj->options &&
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obj->options->write_html_p &&
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obj->options->generate_header_html_fn)
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{
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int status = 0;
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char *html = 0;
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/* The generate_header_html_fn might return HTML, so it's important
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that the output stream be set up with the proper type before we
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make the MimeObject_write() call below. */
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if (!obj->options->state->first_data_written_p)
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{
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status = MimeObject_output_init (obj, TEXT_HTML);
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if (status < 0) return status;
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XP_ASSERT(obj->options->state->first_data_written_p);
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}
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html = obj->options->generate_header_html_fn(NULL,
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obj->options->html_closure,
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msg->hdrs);
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if (html)
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{
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status = MimeObject_write(obj, html, XP_STRLEN(html), FALSE);
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XP_FREE(html);
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if (status < 0) return status;
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}
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}
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/* Find the content-type of the body of this message.
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*/
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{
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XP_Bool ok = TRUE;
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char *mv = MimeHeaders_get (msg->hdrs, HEADER_MIME_VERSION,
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TRUE, FALSE);
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#ifdef REQUIRE_MIME_VERSION_HEADER
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/* If this is the outermost message, it must have a MIME-Version
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header with the value 1.0 for us to believe what might be in
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the Content-Type header. If the MIME-Version header is not
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present, we must treat this message as untyped.
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*/
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ok = (mv && !XP_STRCMP(mv, "1.0"));
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#else
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/* #### actually, we didn't check this in Mozilla 2.0, and checking
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it now could cause some compatibility nonsense, so for now, let's
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just believe any Content-Type header we see.
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*/
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ok = TRUE;
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#endif
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if (ok)
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{
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ct = MimeHeaders_get (msg->hdrs, HEADER_CONTENT_TYPE, TRUE, FALSE);
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/* If there is no Content-Type header, but there is a MIME-Version
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header, then assume that this *is* in fact a MIME message.
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(I've seen messages with
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MIME-Version: 1.0
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Content-Transfer-Encoding: quoted-printable
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and no Content-Type, and we should treat those as being of type
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MimeInlineTextPlain rather than MimeUntypedText.)
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*/
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if (mv && !ct)
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ct = XP_STRDUP(TEXT_PLAIN);
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}
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FREEIF(mv); /* done with this now. */
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}
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HG09871
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/* Emit the HTML for this message's headers. Do this before
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creating the object representing the body.
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*/
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if (obj->output_p &&
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obj->options &&
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obj->options->write_html_p)
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{
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/* If citation headers are on, and this is not the outermost message,
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turn them off. */
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if (obj->options->headers == MimeHeadersCitation && !outer_p)
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obj->options->headers = MimeHeadersSome;
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/* Emit a normal header block. */
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status = MimeMessage_write_headers_html(obj);
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if (status < 0) return status;
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}
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else if (obj->output_p)
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{
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/* Dump the headers, raw. */
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status = MimeObject_write(obj, "", 0, FALSE); /* initialize */
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if (status < 0) return status;
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HG09872
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if (status < 0) return status;
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}
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#ifdef XP_UNIX
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if (outer_p && obj->output_p)
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/* Kludge from mimehdrs.c */
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MimeHeaders_do_unix_display_hook_hack(msg->hdrs);
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#endif /* XP_UNIX */
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}
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/* Never put out a separator after a message header block. */
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if (obj->options && obj->options->state)
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obj->options->state->separator_suppressed_p = TRUE;
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#ifdef MIME_DRAFTS
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if ( !obj->headers && /* outer most message header */
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obj->options &&
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obj->options->decompose_file_p &&
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ct )
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obj->options->is_multipart_msg = XP_STRSTR(ct, "multipart/") != NULL;
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#endif /* MIME_DRAFTS */
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body = mime_create(ct, msg->hdrs, obj->options);
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FREEIF(ct);
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if (!body) return MK_OUT_OF_MEMORY;
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status = ((MimeContainerClass *) obj->class)->add_child (obj, body);
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if (status < 0)
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{
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mime_free(body);
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return status;
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}
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/* Now that we've added this new object to our list of children,
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start its parser going. */
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status = body->class->parse_begin(body);
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if (status < 0) return status;
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return 0;
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}
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static int
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MimeMessage_parse_eof (MimeObject *obj, XP_Bool abort_p)
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{
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int status;
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XP_Bool outer_p;
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MimeMessage *msg = (MimeMessage *)obj;
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if (obj->closed_p) return 0;
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/* Run parent method first, to flush out any buffered data. */
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status = ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_eof(obj, abort_p);
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if (status < 0) return status;
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outer_p = !obj->headers; /* is this the outermost message? */
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if (outer_p &&
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obj->options &&
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obj->options->write_html_p &&
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obj->options->generate_footer_html_fn)
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{
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char *html =
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obj->options->generate_footer_html_fn (NULL,
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obj->options->html_closure,
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msg->hdrs);
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if (html)
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{
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int status = MimeObject_write(obj, html, XP_STRLEN(html), FALSE);
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XP_FREE(html);
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if (status < 0) return status;
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}
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}
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#ifdef MIME_DRAFTS
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if ( obj->options &&
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obj->options->decompose_file_p &&
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obj->options->done_parsing_outer_headers &&
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! obj->options->is_multipart_msg &&
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#ifndef MOZ_MAIL_COMPOSE
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! mime_typep(obj, (MimeObjectClass*) &mimeFilterClass) &&
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#endif /* MOZ_MAIL_COMPOSE */
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obj->options->decompose_file_close_fn ) {
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status = obj->options->decompose_file_close_fn (
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obj->options->stream_closure );
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if ( status < 0 ) return status;
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}
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#endif /* MIME_DRAFTS */
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/* Put out a separator after every message/rfc822 object. */
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if (!abort_p)
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{
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status = MimeObject_write_separator(obj);
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if (status < 0) return status;
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}
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return 0;
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}
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static int
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MimeMessage_add_child (MimeObject *parent, MimeObject *child)
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{
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MimeContainer *cont = (MimeContainer *) parent;
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XP_ASSERT(parent && child);
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if (!parent || !child) return -1;
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/* message/rfc822 containers can only have one child. */
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XP_ASSERT(cont->nchildren == 0);
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if (cont->nchildren != 0) return -1;
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#ifdef MIME_DRAFTS
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if ( parent->options &&
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parent->options->decompose_file_p &&
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! parent->options->is_multipart_msg &&
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#ifndef MOZ_MAIL_COMPOSE
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! mime_typep(child, (MimeObjectClass*) &mimeFilterClass) &&
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#endif /* MOZ_MAIL_COMPOSE */
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parent->options->decompose_file_init_fn ) {
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int status = 0;
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status = parent->options->decompose_file_init_fn (
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parent->options->stream_closure,
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((MimeMessage*)parent)->hdrs );
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if ( status < 0 ) return status;
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}
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#endif /* MIME_DRAFTS */
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return ((MimeContainerClass*)&MIME_SUPERCLASS)->add_child (parent, child);
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}
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static int
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MimeMessage_write_headers_html (MimeObject *obj)
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{
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MimeMessage *msg = (MimeMessage *) obj;
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XP_Bool altform_p;
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int status;
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if (!obj->options ||
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!obj->options->output_fn)
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return 0;
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XP_ASSERT(obj->output_p && obj->options->write_html_p);
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if (!obj->options->state->first_data_written_p)
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{
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status = MimeObject_output_init (obj, TEXT_HTML);
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if (status < 0) return status;
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XP_ASSERT(obj->options->state->first_data_written_p);
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}
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HG09873
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HG43771
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status = MimeHeaders_write_headers_html (msg->hdrs, obj->options);
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if (status < 0) return status;
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if (HG56232)
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{
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HG78388
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}
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else
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{
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HG80200
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if (obj->options &&
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obj->options->state &&
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obj->options->generate_post_header_html_fn &&
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!obj->options->state->post_header_html_run_p)
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{
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char *html = 0;
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XP_ASSERT(obj->options->state->first_data_written_p);
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html = obj->options->generate_post_header_html_fn(NULL,
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obj->options->html_closure,
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msg->hdrs);
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obj->options->state->post_header_html_run_p = TRUE;
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if (html)
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{
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status = MimeObject_write(obj, html, XP_STRLEN(html), FALSE);
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XP_FREE(html);
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if (status < 0) return status;
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|
}
|
|
}
|
|
|
|
/* Write out a paragraph break between the headers and body. */
|
|
{
|
|
char s[] = "<P>";
|
|
status = MimeObject_write(obj, s, XP_STRLEN(s), FALSE);
|
|
if (status < 0) return status;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#if defined(DEBUG) && defined(XP_UNIX)
|
|
static int
|
|
MimeMessage_debug_print (MimeObject *obj, FILE *stream, int32 depth)
|
|
{
|
|
MimeMessage *msg = (MimeMessage *) obj;
|
|
char *addr = mime_part_address(obj);
|
|
int i;
|
|
for (i=0; i < depth; i++)
|
|
fprintf(stream, " ");
|
|
fprintf(stream, "<%s %s%s 0x%08X>\n",
|
|
obj->class->class_name,
|
|
addr ? addr : "???",
|
|
(msg->container.nchildren == 0 ? " (no body)" : ""),
|
|
(uint32) msg);
|
|
FREEIF(addr);
|
|
|
|
#if 0
|
|
if (msg->hdrs)
|
|
{
|
|
char *s;
|
|
|
|
depth++;
|
|
|
|
# define DUMP(HEADER) \
|
|
for (i=0; i < depth; i++) \
|
|
fprintf(stream, " "); \
|
|
s = MimeHeaders_get (msg->hdrs, HEADER, FALSE, TRUE); \
|
|
fprintf(stream, HEADER ": %s\n", s ? s : ""); \
|
|
FREEIF(s)
|
|
|
|
DUMP(HEADER_SUBJECT);
|
|
DUMP(HEADER_DATE);
|
|
DUMP(HEADER_FROM);
|
|
DUMP(HEADER_TO);
|
|
/* DUMP(HEADER_CC); */
|
|
DUMP(HEADER_NEWSGROUPS);
|
|
DUMP(HEADER_MESSAGE_ID);
|
|
# undef DUMP
|
|
|
|
fprintf(stream, "\n");
|
|
}
|
|
#endif
|
|
|
|
XP_ASSERT(msg->container.nchildren <= 1);
|
|
if (msg->container.nchildren == 1)
|
|
{
|
|
MimeObject *kid = msg->container.children[0];
|
|
int status = kid->class->debug_print (kid, stream, depth+1);
|
|
if (status < 0) return status;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|