1 files changed, 327 insertions, 0 deletions

diff --git a/mailnews/mime/src/mimeobj.cpp b/mailnews/mime/src/mimeobj.cpp
new file mode 100644
index 000000000..26eb618ce
--- /dev/null
+++ b/mailnews/mime/src/mimeobj.cpp
@@ -0,0 +1,327 @@
+/* -*- 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/.
+ * This Original Code has been modified by IBM Corporation. Modifications made by IBM
+ * described herein are Copyright (c) International Business Machines Corporation, 2000.
+ * Modifications to Mozilla code or documentation identified per MPL Section 3.3
+ *
+ * Date             Modified by     Description of modification
+ * 04/20/2000       IBM Corp.      OS/2 VisualAge build.
+ */
+
+#include "mimeobj.h"
+#include "prmem.h"
+#include "plstr.h"
+#include "prio.h"
+#include "mimebuf.h"
+#include "prlog.h"
+#include "nsMimeTypes.h"
+#include "nsMimeStringResources.h"
+#include "nsMsgUtils.h"
+#include "mimemsg.h"
+#include "mimemapl.h"
+
+/* Way to destroy any notions of modularity or class hierarchy, Terry! */
+# include "mimetpla.h"
+# include "mimethtm.h"
+# include "mimecont.h"
+
+MimeDefClass (MimeObject, MimeObjectClass, mimeObjectClass, NULL);
+
+static int MimeObject_initialize (MimeObject *);
+static void MimeObject_finalize (MimeObject *);
+static int MimeObject_parse_begin (MimeObject *);
+static int MimeObject_parse_buffer (const char *, int32_t, MimeObject *);
+static int MimeObject_parse_line (const char *, int32_t, MimeObject *);
+static int MimeObject_parse_eof (MimeObject *, bool);
+static int MimeObject_parse_end (MimeObject *, bool);
+static bool MimeObject_displayable_inline_p (MimeObjectClass *clazz,
+                        MimeHeaders *hdrs);
+
+#if defined(DEBUG) && defined(XP_UNIX)
+static int MimeObject_debug_print (MimeObject *, PRFileDesc *, int32_t depth);
+#endif
+
+static int
+MimeObjectClassInitialize(MimeObjectClass *clazz)
+{
+  NS_ASSERTION(!clazz->class_initialized, "class shouldn't already be initialized");
+  clazz->initialize   = MimeObject_initialize;
+  clazz->finalize     = MimeObject_finalize;
+  clazz->parse_begin  = MimeObject_parse_begin;
+  clazz->parse_buffer = MimeObject_parse_buffer;
+  clazz->parse_line   = MimeObject_parse_line;
+  clazz->parse_eof    = MimeObject_parse_eof;
+  clazz->parse_end    = MimeObject_parse_end;
+  clazz->displayable_inline_p = MimeObject_displayable_inline_p;
+
+#if defined(DEBUG) && defined(XP_UNIX)
+  clazz->debug_print  = MimeObject_debug_print;
+#endif
+  return 0;
+}
+
+static int
+MimeObject_initialize (MimeObject *obj)
+{
+  /* This is an abstract class; it shouldn't be directly instantiated. */
+  NS_ASSERTION(obj->clazz != &mimeObjectClass, "should directly instantiate abstract class");
+
+  /* Set up the content-type and encoding. */
+  if (!obj->content_type && obj->headers)
+  obj->content_type = MimeHeaders_get (obj->headers, HEADER_CONTENT_TYPE,
+                     true, false);
+  if (!obj->encoding && obj->headers)
+  obj->encoding = MimeHeaders_get (obj->headers,
+                   HEADER_CONTENT_TRANSFER_ENCODING,
+                   true, false);
+
+  /* Special case to normalize some types and encodings to a canonical form.
+   (These are nonstandard types/encodings which have been seen to appear in
+   multiple forms; we normalize them so that things like looking up icons
+   and extensions has consistent behavior for the receiver, regardless of
+   the "alias" type that the sender used.)
+   */
+  if (!obj->content_type || !*(obj->content_type))
+  ;
+  else if (!PL_strcasecmp(obj->content_type, APPLICATION_UUENCODE2) ||
+       !PL_strcasecmp(obj->content_type, APPLICATION_UUENCODE3) ||
+       !PL_strcasecmp(obj->content_type, APPLICATION_UUENCODE4))
+  {
+    PR_Free(obj->content_type);
+    obj->content_type = strdup(APPLICATION_UUENCODE);
+  }
+  else if (!PL_strcasecmp(obj->content_type, IMAGE_XBM2) ||
+       !PL_strcasecmp(obj->content_type, IMAGE_XBM3))
+  {
+    PR_Free(obj->content_type);
+    obj->content_type = strdup(IMAGE_XBM);
+  }
+  else {
+    // MIME-types are case-insenitive, but let's make it lower case internally
+    // to avoid some hassle later down the road.
+    nsAutoCString lowerCaseContentType;
+    ToLowerCase(nsDependentCString(obj->content_type), lowerCaseContentType);
+    PR_Free(obj->content_type);
+    obj->content_type = ToNewCString(lowerCaseContentType);
+  }
+
+  if (!obj->encoding)
+  ;
+  else if (!PL_strcasecmp(obj->encoding, ENCODING_UUENCODE2) ||
+       !PL_strcasecmp(obj->encoding, ENCODING_UUENCODE3) ||
+       !PL_strcasecmp(obj->encoding, ENCODING_UUENCODE4))
+  {
+    PR_Free(obj->encoding);
+    obj->encoding = strdup(ENCODING_UUENCODE);
+  }
+  else if (!PL_strcasecmp(obj->encoding, ENCODING_COMPRESS2))
+  {
+    PR_Free(obj->encoding);
+    obj->encoding = strdup(ENCODING_COMPRESS);
+  }
+  else if (!PL_strcasecmp(obj->encoding, ENCODING_GZIP2))
+  {
+    PR_Free(obj->encoding);
+    obj->encoding = strdup(ENCODING_GZIP);
+  }
+
+  return 0;
+}
+
+static void
+MimeObject_finalize (MimeObject *obj)
+{
+  obj->clazz->parse_eof (obj, false);
+  obj->clazz->parse_end (obj, false);
+
+  if (obj->headers)
+  {
+    MimeHeaders_free(obj->headers);
+    obj->headers = 0;
+  }
+
+  /* Should have been freed by parse_eof, but just in case... */
+  NS_ASSERTION(!obj->ibuffer, "buffer not freed");
+  NS_ASSERTION(!obj->obuffer, "buffer not freed");
+  PR_FREEIF (obj->ibuffer);
+  PR_FREEIF (obj->obuffer);
+
+  PR_FREEIF(obj->content_type);
+  PR_FREEIF(obj->encoding);
+
+  if (obj->options && obj->options->state)
+  {
+    delete obj->options->state;
+    obj->options->state = nullptr;
+  }
+}
+
+static int
+MimeObject_parse_begin (MimeObject *obj)
+{
+  NS_ASSERTION (!obj->closed_p, "object shouldn't be already closed");
+
+  /* If we haven't set up the state object yet, then this should be
+   the outermost object... */
+  if (obj->options && !obj->options->state)
+  {
+    NS_ASSERTION(!obj->headers, "headers should be null");  /* should be the outermost object. */
+
+    obj->options->state = new MimeParseStateObject;
+    if (!obj->options->state) return MIME_OUT_OF_MEMORY;
+    obj->options->state->root = obj;
+    obj->options->state->separator_suppressed_p = true; /* no first sep */
+    const char *delParts = PL_strcasestr(obj->options->url, "&del=");
+    const char *detachLocations = PL_strcasestr(obj->options->url, "&detachTo=");
+    if (delParts)
+    {
+      const char *delEnd = PL_strcasestr(delParts + 1, "&");
+      if (!delEnd)
+        delEnd = delParts + strlen(delParts);
+      ParseString(Substring(delParts + 5, delEnd), ',', obj->options->state->partsToStrip);
+    }
+    if (detachLocations)
+    {
+      detachLocations += 10; // advance past "&detachTo="
+      ParseString(nsDependentCString(detachLocations), ',', obj->options->state->detachToFiles);
+    }
+  }
+
+  /* Decide whether this object should be output or not... */
+  if (!obj->options || obj->options->no_output_p || !obj->options->output_fn
+    /* if we are decomposing the message in files and processing a multipart object,
+       we must not output it without parsing it first */
+     || (obj->options->decompose_file_p && obj->options->decompose_file_output_fn &&
+      mime_typep(obj, (MimeObjectClass*) &mimeMultipartClass))
+    )
+    obj->output_p = false;
+  else if (!obj->options->part_to_load)
+    obj->output_p = true;
+  else
+  {
+    char *id = mime_part_address(obj);
+    if (!id) return MIME_OUT_OF_MEMORY;
+
+    // We need to check if a part is the subpart of the part to load.
+    // If so and this is a raw or body display output operation, then
+    // we should mark the part for subsequent output.
+
+    // First, check for an exact match
+    obj->output_p = !strcmp(id, obj->options->part_to_load);
+    if (!obj->output_p && (obj->options->format_out == nsMimeOutput::nsMimeMessageRaw ||
+                           obj->options->format_out == nsMimeOutput::nsMimeMessageBodyDisplay ||
+                           obj->options->format_out == nsMimeOutput::nsMimeMessageAttach))
+    {
+      // Then, check for subpart
+      unsigned int partlen = strlen(obj->options->part_to_load);
+      obj->output_p = (strlen(id) >= partlen + 2) && (id[partlen] == '.') &&
+        !strncmp(id, obj->options->part_to_load, partlen);
+    }
+
+    PR_Free(id);
+  }
+
+  // If we've decided not to output this part, we also shouldn't be showing it
+  // as an attachment.
+  obj->dontShowAsAttachment = !obj->output_p;
+
+  return 0;
+}
+
+static int
+MimeObject_parse_buffer (const char *buffer, int32_t size, MimeObject *obj)
+{
+  NS_ASSERTION(!obj->closed_p, "object shouldn't be closed");
+  if (obj->closed_p) return -1;
+
+  return mime_LineBuffer (buffer, size,
+             &obj->ibuffer, &obj->ibuffer_size, &obj->ibuffer_fp,
+             true,
+             ((int (*) (char *, int32_t, void *))
+              /* This cast is to turn void into MimeObject */
+              obj->clazz->parse_line),
+             obj);
+}
+
+static int
+MimeObject_parse_line (const char *line, int32_t length, MimeObject *obj)
+{
+  NS_ERROR("shouldn't call this method");
+  return -1;
+}
+
+static int
+MimeObject_parse_eof (MimeObject *obj, bool abort_p)
+{
+  if (obj->closed_p) return 0;
+  NS_ASSERTION(!obj->parsed_p, "obj already parsed");
+
+  /* If there is still data in the ibuffer, that means that the last line of
+   this part didn't end in a newline; so push it out anyway (this means that
+   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)
+  {
+    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;
+    }
+  }
+
+  obj->closed_p = true;
+  return 0;
+}
+
+static int
+MimeObject_parse_end (MimeObject *obj, bool abort_p)
+{
+  if (obj->parsed_p)
+  {
+    NS_ASSERTION(obj->closed_p, "object should be closed");
+    return 0;
+  }
+
+  /* We won't be needing these buffers any more; nuke 'em. */
+  PR_FREEIF(obj->ibuffer);
+  obj->ibuffer_fp = 0;
+  obj->ibuffer_size = 0;
+  PR_FREEIF(obj->obuffer);
+  obj->obuffer_fp = 0;
+  obj->obuffer_size = 0;
+
+  obj->parsed_p = true;
+  return 0;
+}
+
+static bool
+MimeObject_displayable_inline_p (MimeObjectClass *clazz, MimeHeaders *hdrs)
+{
+  NS_ERROR("shouldn't call this method");
+  return false;
+}
+
+#if defined(DEBUG) && defined(XP_UNIX)
+static int
+MimeObject_debug_print (MimeObject *obj, PRFileDesc *stream, int32_t depth)
+{
+  int i;
+  char *addr = mime_part_address(obj);
+  for (i=0; i < depth; i++)
+  PR_Write(stream, "  ", 2);
+/*
+  fprintf(stream, "<%s %s 0x%08X>\n", obj->clazz->class_name,
+      addr ? addr : "???",
+      (uint32_t) obj);
+*/
+  PR_FREEIF(addr);
+  return 0;
+}
+#endif