diff options
Diffstat (limited to 'mailnews/mime/src/mimemult.cpp')
| -rw-r--r-- | mailnews/mime/src/mimemult.cpp | 748 |
1 files changed, 748 insertions, 0 deletions
diff --git a/mailnews/mime/src/mimemult.cpp b/mailnews/mime/src/mimemult.cpp new file mode 100644 index 000000000..64f292ec0 --- /dev/null +++ b/mailnews/mime/src/mimemult.cpp @@ -0,0 +1,748 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "msgCore.h" +#include "mimemult.h" +#include "mimemoz2.h" +#include "mimeeobj.h" + +#include "prlog.h" +#include "prmem.h" +#include "plstr.h" +#include "prio.h" +#include "nsMimeStringResources.h" +#include "nsMimeTypes.h" +#include <ctype.h> + +#ifdef XP_MACOSX + extern MimeObjectClass mimeMultipartAppleDoubleClass; +#endif + +#define MIME_SUPERCLASS mimeContainerClass +MimeDefClass(MimeMultipart, MimeMultipartClass, + mimeMultipartClass, &MIME_SUPERCLASS); + +static int MimeMultipart_initialize (MimeObject *); +static void MimeMultipart_finalize (MimeObject *); +static int MimeMultipart_parse_line (const char *line, int32_t length, MimeObject *); +static int MimeMultipart_parse_eof (MimeObject *object, bool abort_p); + +static MimeMultipartBoundaryType MimeMultipart_check_boundary(MimeObject *, + const char *, + int32_t); +static int MimeMultipart_create_child(MimeObject *); +static bool MimeMultipart_output_child_p(MimeObject *, MimeObject *); +static int MimeMultipart_parse_child_line (MimeObject *, const char *, int32_t, + bool); +static int MimeMultipart_close_child(MimeObject *); + +extern "C" MimeObjectClass mimeMultipartAlternativeClass; +extern "C" MimeObjectClass mimeMultipartRelatedClass; +extern "C" MimeObjectClass mimeMultipartSignedClass; +extern "C" MimeObjectClass mimeInlineTextVCardClass; +extern "C" MimeExternalObjectClass mimeExternalObjectClass; + +#if defined(DEBUG) && defined(XP_UNIX) +static int MimeMultipart_debug_print (MimeObject *, PRFileDesc *, int32_t); +#endif + +static int +MimeMultipartClassInitialize(MimeMultipartClass *clazz) +{ + MimeObjectClass *oclass = (MimeObjectClass *) clazz; + MimeMultipartClass *mclass = (MimeMultipartClass *) clazz; + + PR_ASSERT(!oclass->class_initialized); + oclass->initialize = MimeMultipart_initialize; + oclass->finalize = MimeMultipart_finalize; + oclass->parse_line = MimeMultipart_parse_line; + oclass->parse_eof = MimeMultipart_parse_eof; + + mclass->check_boundary = MimeMultipart_check_boundary; + mclass->create_child = MimeMultipart_create_child; + mclass->output_child_p = MimeMultipart_output_child_p; + mclass->parse_child_line = MimeMultipart_parse_child_line; + mclass->close_child = MimeMultipart_close_child; + +#if defined(DEBUG) && defined(XP_UNIX) + oclass->debug_print = MimeMultipart_debug_print; +#endif + + return 0; +} + + +static int +MimeMultipart_initialize (MimeObject *object) +{ + MimeMultipart *mult = (MimeMultipart *) object; + char *ct; + + /* This is an abstract class; it shouldn't be directly instantiated. */ + PR_ASSERT(object->clazz != (MimeObjectClass *) &mimeMultipartClass); + + ct = MimeHeaders_get (object->headers, HEADER_CONTENT_TYPE, false, false); + mult->boundary = (ct + ? MimeHeaders_get_parameter (ct, HEADER_PARM_BOUNDARY, NULL, NULL) + : 0); + PR_FREEIF(ct); + mult->state = MimeMultipartPreamble; + return ((MimeObjectClass*)&MIME_SUPERCLASS)->initialize(object); +} + + +static void +MimeMultipart_finalize (MimeObject *object) +{ + MimeMultipart *mult = (MimeMultipart *) object; + + object->clazz->parse_eof(object, false); + + PR_FREEIF(mult->boundary); + if (mult->hdrs) + MimeHeaders_free(mult->hdrs); + mult->hdrs = 0; + ((MimeObjectClass*)&MIME_SUPERCLASS)->finalize(object); +} + +int MimeWriteAString(MimeObject *obj, const nsACString &string) +{ + const nsCString &flatString = PromiseFlatCString(string); + return MimeObject_write(obj, flatString.get(), flatString.Length(), true); +} + +static int +MimeMultipart_parse_line (const char *line, int32_t length, MimeObject *obj) +{ + MimeMultipart *mult = (MimeMultipart *) obj; + MimeContainer *container = (MimeContainer*) obj; + int status = 0; + MimeMultipartBoundaryType boundary; + + NS_ASSERTION(line && *line, "empty line in multipart parse_line"); + if (!line || !*line) return -1; + + NS_ASSERTION(!obj->closed_p, "obj shouldn't already be closed"); + if (obj->closed_p) return -1; + + /* If we're supposed to write this object, but aren't supposed to convert + it to HTML, simply pass it through unaltered. */ + if (obj->output_p && + obj->options && + !obj->options->write_html_p && + obj->options->output_fn + && obj->options->format_out != nsMimeOutput::nsMimeMessageAttach) + return MimeObject_write(obj, line, length, true); + + if (mult->state == MimeMultipartEpilogue) /* already done */ + boundary = MimeMultipartBoundaryTypeNone; + else + boundary = ((MimeMultipartClass *)obj->clazz)->check_boundary(obj, line, + length); + + if (boundary == MimeMultipartBoundaryTypeTerminator || + boundary == MimeMultipartBoundaryTypeSeparator) + { + /* Match! Close the currently-open part, move on to the next + state, and discard this line. + */ + bool endOfPart = (mult->state != MimeMultipartPreamble); + if (endOfPart) + status = ((MimeMultipartClass *)obj->clazz)->close_child(obj); + if (status < 0) return status; + + if (boundary == MimeMultipartBoundaryTypeTerminator) + mult->state = MimeMultipartEpilogue; + else + { + mult->state = MimeMultipartHeaders; + + /* Reset the header parser for this upcoming part. */ + NS_ASSERTION(!mult->hdrs, "mult->hdrs should be null here"); + if (mult->hdrs) + MimeHeaders_free(mult->hdrs); + mult->hdrs = MimeHeaders_new(); + if (!mult->hdrs) + return MIME_OUT_OF_MEMORY; + if (obj->options && obj->options->state && + obj->options->state->partsToStrip.Length() > 0) + { + nsAutoCString newPart(mime_part_address(obj)); + newPart.Append('.'); + newPart.AppendInt(container->nchildren + 1); + obj->options->state->strippingPart = false; + // check if this is a sub-part of a part we're stripping. + for (uint32_t partIndex = 0; partIndex < obj->options->state->partsToStrip.Length(); partIndex++) + { + nsCString &curPartToStrip = obj->options->state->partsToStrip[partIndex]; + if (newPart.Find(curPartToStrip) == 0 && (newPart.Length() == curPartToStrip.Length() || newPart.CharAt(curPartToStrip.Length()) == '.')) + { + obj->options->state->strippingPart = true; + if (partIndex < obj->options->state->detachToFiles.Length()) + obj->options->state->detachedFilePath = obj->options->state->detachToFiles[partIndex]; + break; + } + } + } + } + + // if stripping out attachments, write the boundary line. Otherwise, return + // to ignore it. + if (obj->options && obj->options->format_out == nsMimeOutput::nsMimeMessageAttach) + { + // Because MimeMultipart_parse_child_line strips out the + // the CRLF of the last line before the end of a part, we need to add that + // back in here. + if (endOfPart) + MimeWriteAString(obj, NS_LITERAL_CSTRING(MSG_LINEBREAK)); + + status = MimeObject_write(obj, line, length, true); + } + return 0; + } + + /* Otherwise, this isn't a boundary string. So do whatever it is we + should do with this line (parse it as a header, feed it to the + child part, ignore it, etc.) */ + + switch (mult->state) + { + case MimeMultipartPreamble: + case MimeMultipartEpilogue: + /* Ignore this line. */ + break; + + case MimeMultipartHeaders: + /* Parse this line as a header for the sub-part. */ + { + status = MimeHeaders_parse_line(line, length, mult->hdrs); + bool stripping = false; + + if (status < 0) return status; + + // If this line is blank, we're now done parsing headers, and should + // now examine the content-type to create this "body" part. + // + if (*line == '\r' || *line == '\n') + { + if (obj->options && obj->options->state && + obj->options->state->strippingPart) + { + stripping = true; + bool detachingPart = obj->options->state->detachedFilePath.Length() > 0; + + nsAutoCString fileName; + fileName.Adopt(MimeHeaders_get_name(mult->hdrs, obj->options)); + if (detachingPart) + { + char *contentType = MimeHeaders_get(mult->hdrs, "Content-Type", false, false); + if (contentType) + { + MimeWriteAString(obj, NS_LITERAL_CSTRING("Content-Type: ")); + MimeWriteAString(obj, nsDependentCString(contentType)); + PR_Free(contentType); + } + MimeWriteAString(obj, NS_LITERAL_CSTRING(MSG_LINEBREAK)); + MimeWriteAString(obj, NS_LITERAL_CSTRING("Content-Disposition: attachment; filename=\"")); + MimeWriteAString(obj, fileName); + MimeWriteAString(obj, NS_LITERAL_CSTRING("\"" MSG_LINEBREAK)); + MimeWriteAString(obj, NS_LITERAL_CSTRING("X-Mozilla-External-Attachment-URL: ")); + MimeWriteAString(obj, obj->options->state->detachedFilePath); + MimeWriteAString(obj, NS_LITERAL_CSTRING(MSG_LINEBREAK)); + MimeWriteAString(obj, NS_LITERAL_CSTRING("X-Mozilla-Altered: AttachmentDetached; date=\"")); + } + else + { + nsAutoCString header("Content-Type: text/x-moz-deleted; name=\"Deleted: "); + header.Append(fileName); + status = MimeWriteAString(obj, header); + if (status < 0) + return status; + status = MimeWriteAString(obj, NS_LITERAL_CSTRING("\"" MSG_LINEBREAK "Content-Transfer-Encoding: 8bit" MSG_LINEBREAK)); + MimeWriteAString(obj, NS_LITERAL_CSTRING("Content-Disposition: inline; filename=\"Deleted: ")); + MimeWriteAString(obj, fileName); + MimeWriteAString(obj, NS_LITERAL_CSTRING("\"" MSG_LINEBREAK "X-Mozilla-Altered: AttachmentDeleted; date=\"")); + } + nsCString result; + char timeBuffer[128]; + PRExplodedTime now; + PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &now); + PR_FormatTimeUSEnglish(timeBuffer, sizeof(timeBuffer), + "%a %b %d %H:%M:%S %Y", + &now); + MimeWriteAString(obj, nsDependentCString(timeBuffer)); + MimeWriteAString(obj, NS_LITERAL_CSTRING("\"" MSG_LINEBREAK)); + MimeWriteAString(obj, NS_LITERAL_CSTRING(MSG_LINEBREAK "You deleted an attachment from this message. The original MIME headers for the attachment were:" MSG_LINEBREAK)); + MimeHeaders_write_raw_headers(mult->hdrs, obj->options, false); + } + int32_t old_nchildren = container->nchildren; + status = ((MimeMultipartClass *) obj->clazz)->create_child(obj); + if (status < 0) return status; + NS_ASSERTION(mult->state != MimeMultipartHeaders, + "mult->state shouldn't be MimeMultipartHeaders"); + + if (!stripping && container->nchildren > old_nchildren && obj->options && + !mime_typep(obj, (MimeObjectClass*)&mimeMultipartAlternativeClass)) { + // Notify emitter about content type and part path. + MimeObject *kid = container->children[container->nchildren-1]; + MimeMultipart_notify_emitter(kid); + } + } + break; + } + + case MimeMultipartPartFirstLine: + /* Hand this line off to the sub-part. */ + status = (((MimeMultipartClass *) obj->clazz)->parse_child_line(obj, + line, length, true)); + if (status < 0) return status; + mult->state = MimeMultipartPartLine; + break; + + case MimeMultipartPartLine: + /* Hand this line off to the sub-part. */ + status = (((MimeMultipartClass *) obj->clazz)->parse_child_line(obj, + line, length, false)); + if (status < 0) return status; + break; + + default: + NS_ERROR("unexpected state in parse line"); + return -1; + } + + if (obj->options && + obj->options->format_out == nsMimeOutput::nsMimeMessageAttach && + (!(obj->options->state && obj->options->state->strippingPart) && + mult->state != MimeMultipartPartLine)) + return MimeObject_write(obj, line, length, false); + return 0; +} + +void MimeMultipart_notify_emitter(MimeObject *obj) +{ + char *ct = nullptr; + + NS_ASSERTION(obj->options, "MimeMultipart_notify_emitter called with null options"); + if (! obj->options) + return; + + ct = MimeHeaders_get(obj->headers, HEADER_CONTENT_TYPE, + false, false); + if (obj->options->notify_nested_bodies) { + mimeEmitterAddHeaderField(obj->options, HEADER_CONTENT_TYPE, + ct ? ct : TEXT_PLAIN); + char *part_path = mime_part_address(obj); + if (part_path) { + mimeEmitterAddHeaderField(obj->options, "x-jsemitter-part-path", + part_path); + PR_Free(part_path); + } + } + + // Examine the headers and see if there is a special charset + // (i.e. non US-ASCII) for this message. If so, we need to + // tell the emitter that this is the case for use in any + // possible reply or forward operation. + if (ct && (obj->options->notify_nested_bodies || + MimeObjectIsMessageBody(obj))) { + char *cset = MimeHeaders_get_parameter(ct, "charset", NULL, NULL); + if (cset) { + mimeEmitterUpdateCharacterSet(obj->options, cset); + if (!obj->options->override_charset) + // Also set this charset to msgWindow + SetMailCharacterSetToMsgWindow(obj, cset); + PR_Free(cset); + } + } + + PR_FREEIF(ct); +} + +static MimeMultipartBoundaryType +MimeMultipart_check_boundary(MimeObject *obj, const char *line, int32_t length) +{ + MimeMultipart *mult = (MimeMultipart *) obj; + int32_t blen; + bool term_p; + + if (!mult->boundary || + line[0] != '-' || + line[1] != '-') + return MimeMultipartBoundaryTypeNone; + + /* This is a candidate line to be a boundary. Check it out... */ + blen = strlen(mult->boundary); + term_p = false; + + /* strip trailing whitespace (including the newline.) */ + while(length > 2 && IS_SPACE(line[length-1])) + length--; + + /* Could this be a terminating boundary? */ + if (length == blen + 4 && + line[length-1] == '-' && + line[length-2] == '-') + { + term_p = true; + } + + //looks like we have a separator but first, we need to check it's not for one of the part's children. + MimeContainer *cont = (MimeContainer *) obj; + if (cont->nchildren > 0) + { + MimeObject *kid = cont->children[cont->nchildren-1]; + if (kid) + if (mime_typep(kid, (MimeObjectClass*) &mimeMultipartClass)) + { + //Don't ask the kid to check the boundary if it has already detected a Teminator + MimeMultipart *mult = (MimeMultipart *) kid; + if (mult->state != MimeMultipartEpilogue) + if (MimeMultipart_check_boundary(kid, line, length) != MimeMultipartBoundaryTypeNone) + return MimeMultipartBoundaryTypeNone; + } + } + + if (term_p) + length -= 2; + + if (blen == length-2 && !strncmp(line+2, mult->boundary, length-2)) + return (term_p + ? MimeMultipartBoundaryTypeTerminator + : MimeMultipartBoundaryTypeSeparator); + else + return MimeMultipartBoundaryTypeNone; +} + + +static int +MimeMultipart_create_child(MimeObject *obj) +{ + MimeMultipart *mult = (MimeMultipart *) obj; + int status; + char *ct = (mult->hdrs + ? MimeHeaders_get (mult->hdrs, HEADER_CONTENT_TYPE, + true, false) + : 0); + const char *dct = (((MimeMultipartClass *) obj->clazz)->default_part_type); + MimeObject *body = NULL; + + mult->state = MimeMultipartPartFirstLine; + if (obj->options) + obj->options->is_child = true; + + /* Don't pass in NULL as the content-type (this means that the + auto-uudecode-hack won't ever be done for subparts of a + multipart, but only for untyped children of message/rfc822. + */ + body = mime_create(((ct && *ct) ? ct : (dct ? dct: TEXT_PLAIN)), + mult->hdrs, obj->options); + PR_FREEIF(ct); + if (!body) return MIME_OUT_OF_MEMORY; + status = ((MimeContainerClass *) obj->clazz)->add_child(obj, body); + if (status < 0) + { + mime_free(body); + return status; + } + +#ifdef MIME_DRAFTS + if ( obj->options && + obj->options->decompose_file_p && + obj->options->is_multipart_msg && + obj->options->decompose_file_init_fn ) + { + if ( !mime_typep(obj,(MimeObjectClass*)&mimeMultipartRelatedClass) && + !mime_typep(obj,(MimeObjectClass*)&mimeMultipartAlternativeClass) && + !mime_typep(obj,(MimeObjectClass*)&mimeMultipartSignedClass) && +#ifdef MIME_DETAIL_CHECK + !mime_typep(body, (MimeObjectClass*)&mimeMultipartRelatedClass) && + !mime_typep(body, (MimeObjectClass*)&mimeMultipartAlternativeClass) && + !mime_typep(body,(MimeObjectClass*)&mimeMultipartSignedClass) +#else + /* bug 21869 -- due to the fact that we are not generating the + correct mime class object for content-typ multipart/signed part + the above check failed. to solve the problem in general and not + to cause early temination when parsing message for opening as + draft we can simply make sure that the child is not a multipart + mime object. this way we could have a proper decomposing message + part functions set correctly */ + !mime_typep(body, (MimeObjectClass*) &mimeMultipartClass) +#endif + && ! (mime_typep(body, (MimeObjectClass*)&mimeExternalObjectClass) && !strcmp(body->content_type, "text/x-vcard")) + ) + { + status = obj->options->decompose_file_init_fn ( obj->options->stream_closure, mult->hdrs ); + if (status < 0) return status; + } + } +#endif /* MIME_DRAFTS */ + + + /* Now that we've added this new object to our list of children, + start its parser going (if we want to display it.) + */ + body->output_p = (((MimeMultipartClass *) obj->clazz)->output_child_p(obj, body)); + if (body->output_p) + { + status = body->clazz->parse_begin(body); + +#ifdef XP_MACOSX + /* if we are saving an apple double attachment, we need to set correctly the conten type of the channel */ + if (mime_typep(obj, (MimeObjectClass *) &mimeMultipartAppleDoubleClass)) + { + mime_stream_data *msd = (mime_stream_data *)body->options->stream_closure; + if (!body->options->write_html_p && body->content_type && !PL_strcasecmp(body->content_type, APPLICATION_APPLEFILE)) + { + if (msd && msd->channel) + msd->channel->SetContentType(NS_LITERAL_CSTRING(APPLICATION_APPLEFILE)); + } + } +#endif + + if (status < 0) return status; + } + + return 0; +} + + +static bool +MimeMultipart_output_child_p(MimeObject *obj, MimeObject *child) +{ + /* We don't output a child if we're stripping it. */ + if (obj->options && obj->options->state && obj->options->state->strippingPart) + return false; + /* if we are saving an apple double attachment, ignore the appledouble wrapper part */ + return (obj->options && obj->options->write_html_p) || + PL_strcasecmp(child->content_type, MULTIPART_APPLEDOUBLE); +} + + + +static int +MimeMultipart_close_child(MimeObject *object) +{ + MimeMultipart *mult = (MimeMultipart *) object; + MimeContainer *cont = (MimeContainer *) object; + + if (!mult->hdrs) + return 0; + + MimeHeaders_free(mult->hdrs); + mult->hdrs = 0; + + NS_ASSERTION(cont->nchildren > 0, "badly formed mime message"); + if (cont->nchildren > 0) + { + MimeObject *kid = cont->children[cont->nchildren-1]; + // If we have a child and it has not already been closed, process it. + // The kid would be already be closed if we encounter a multipart section + // that did not have a fully delineated header block. No header block means + // no creation of a new child, but the termination case still happens and + // we still end up here. Obviously, we don't want to close the child a + // second time and the best thing we can do is nothing. + if (kid && !kid->closed_p) + { + int status; + status = kid->clazz->parse_eof(kid, false); + if (status < 0) return status; + status = kid->clazz->parse_end(kid, false); + if (status < 0) return status; + +#ifdef MIME_DRAFTS + if ( object->options && + object->options->decompose_file_p && + object->options->is_multipart_msg && + object->options->decompose_file_close_fn ) + { + if ( !mime_typep(object,(MimeObjectClass*)&mimeMultipartRelatedClass) && + !mime_typep(object,(MimeObjectClass*)&mimeMultipartAlternativeClass) && + !mime_typep(object,(MimeObjectClass*)&mimeMultipartSignedClass) && +#ifdef MIME_DETAIL_CHECK + !mime_typep(kid,(MimeObjectClass*)&mimeMultipartRelatedClass) && + !mime_typep(kid,(MimeObjectClass*)&mimeMultipartAlternativeClass) && + !mime_typep(kid,(MimeObjectClass*)&mimeMultipartSignedClass) +#else + /* bug 21869 -- due to the fact that we are not generating the + correct mime class object for content-typ multipart/signed part + the above check failed. to solve the problem in general and not + to cause early temination when parsing message for opening as + draft we can simply make sure that the child is not a multipart + mime object. this way we could have a proper decomposing message + part functions set correctly */ + !mime_typep(kid,(MimeObjectClass*) &mimeMultipartClass) +#endif + && !(mime_typep(kid, (MimeObjectClass*)&mimeExternalObjectClass) && !strcmp(kid->content_type, "text/x-vcard")) + ) + { + status = object->options->decompose_file_close_fn ( object->options->stream_closure ); + if (status < 0) return status; + } + } +#endif /* MIME_DRAFTS */ + + } + } + return 0; +} + + +static int +MimeMultipart_parse_child_line (MimeObject *obj, const char *line, int32_t length, + bool first_line_p) +{ + MimeContainer *cont = (MimeContainer *) obj; + int status; + MimeObject *kid; + + PR_ASSERT(cont->nchildren > 0); + if (cont->nchildren <= 0) + return -1; + + kid = cont->children[cont->nchildren-1]; + PR_ASSERT(kid); + if (!kid) return -1; + +#ifdef MIME_DRAFTS + if ( obj->options && + obj->options->decompose_file_p && + obj->options->is_multipart_msg && + obj->options->decompose_file_output_fn ) + { + if (!mime_typep(obj,(MimeObjectClass*)&mimeMultipartAlternativeClass) && + !mime_typep(obj,(MimeObjectClass*)&mimeMultipartRelatedClass) && + !mime_typep(obj,(MimeObjectClass*)&mimeMultipartSignedClass) && +#ifdef MIME_DETAIL_CHECK + !mime_typep(kid,(MimeObjectClass*)&mimeMultipartAlternativeClass) && + !mime_typep(kid,(MimeObjectClass*)&mimeMultipartRelatedClass) && + !mime_typep(kid,(MimeObjectClass*)&mimeMultipartSignedClass) +#else + /* bug 21869 -- due to the fact that we are not generating the + correct mime class object for content-typ multipart/signed part + the above check failed. to solve the problem in general and not + to cause early temination when parsing message for opening as + draft we can simply make sure that the child is not a multipart + mime object. this way we could have a proper decomposing message + part functions set correctly */ + !mime_typep(kid, (MimeObjectClass*) &mimeMultipartClass) +#endif + && !(mime_typep(kid, (MimeObjectClass*)&mimeExternalObjectClass) && !strcmp(kid->content_type, "text/x-vcard")) + ) + return obj->options->decompose_file_output_fn (line, length, obj->options->stream_closure); + } +#endif /* MIME_DRAFTS */ + + /* The newline issues here are tricky, since both the newlines before + and after the boundary string are to be considered part of the + boundary: this is so that a part can be specified such that it + does not end in a trailing newline. + + To implement this, we send a newline *before* each line instead + of after, except for the first line, which is not preceeded by a + newline. + */ + + /* Remove the trailing newline... */ + if (length > 0 && line[length-1] == '\n') length--; + if (length > 0 && line[length-1] == '\r') length--; + + if (!first_line_p) + { + /* Push out a preceeding newline... */ + char nl[] = MSG_LINEBREAK; + status = kid->clazz->parse_buffer (nl, MSG_LINEBREAK_LEN, kid); + if (status < 0) return status; + } + + /* Now push out the line sans trailing newline. */ + return kid->clazz->parse_buffer (line, length, kid); +} + + +static int +MimeMultipart_parse_eof (MimeObject *obj, bool abort_p) +{ + MimeMultipart *mult = (MimeMultipart *) obj; + MimeContainer *cont = (MimeContainer *) obj; + + if (obj->closed_p) return 0; + + /* Push out the last trailing line if there's one in the buffer. If + this happens, this object does not end in a trailing newline (and + the parse_line method will be called with a string with no trailing + newline, which isn't the usual case.) + */ + if (!abort_p && obj->ibuffer_fp > 0) + { + /* There is leftover data without a terminating newline. */ + int status = obj->clazz->parse_line(obj->ibuffer, obj->ibuffer_fp,obj); + obj->ibuffer_fp = 0; + if (status < 0) + { + obj->closed_p = true; + return status; + } + } + + /* Now call parse_eof for our active child, if there is one. + */ + if (cont->nchildren > 0 && + (mult->state == MimeMultipartPartLine || + mult->state == MimeMultipartPartFirstLine)) + { + MimeObject *kid = cont->children[cont->nchildren-1]; + NS_ASSERTION(kid, "not expecting null kid"); + if (kid) + { + int status = kid->clazz->parse_eof(kid, abort_p); + if (status < 0) return status; + } + } + + return ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_eof(obj, abort_p); +} + + +#if defined(DEBUG) && defined(XP_UNIX) +static int +MimeMultipart_debug_print (MimeObject *obj, PRFileDesc *stream, int32_t depth) +{ + /* MimeMultipart *mult = (MimeMultipart *) obj; */ + MimeContainer *cont = (MimeContainer *) obj; + char *addr = mime_part_address(obj); + int i; + for (i=0; i < depth; i++) + PR_Write(stream, " ", 2); +/** + fprintf(stream, "<%s %s (%d kid%s) boundary=%s 0x%08X>\n", + obj->clazz->class_name, + addr ? addr : "???", + cont->nchildren, (cont->nchildren == 1 ? "" : "s"), + (mult->boundary ? mult->boundary : "(none)"), + (uint32_t) mult); +**/ + PR_FREEIF(addr); + +/* + if (cont->nchildren > 0) + fprintf(stream, "\n"); + */ + + for (i = 0; i < cont->nchildren; i++) + { + MimeObject *kid = cont->children[i]; + int status = kid->clazz->debug_print (kid, stream, depth+1); + if (status < 0) return status; + } + +/* + if (cont->nchildren > 0) + fprintf(stream, "\n"); + */ + + return 0; +} +#endif |