diff options
Diffstat (limited to 'em-format/e-mail-parser-message-external.c')
| -rw-r--r-- | em-format/e-mail-parser-message-external.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/em-format/e-mail-parser-message-external.c b/em-format/e-mail-parser-message-external.c new file mode 100644 index 0000000000..8c02a3ef3b --- /dev/null +++ b/em-format/e-mail-parser-message-external.c @@ -0,0 +1,211 @@ +/* + * e-mail-parser-message-external.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "e-mail-format-extensions.h" + +#include <em-format/e-mail-parser-extension.h> +#include <em-format/e-mail-parser.h> +#include <e-util/e-util.h> + +#include <glib/gi18n-lib.h> +#include <camel/camel.h> + +#include <string.h> +#include <ctype.h> + +typedef struct _EMailParserMessageExternal { + GObject parent; +} EMailParserMessageExternal; + +typedef struct _EMailParserMessageExternalClass { + GObjectClass parent_class; +} EMailParserMessageExternalClass; + +static void e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *iface); +static void e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *iface); + +G_DEFINE_TYPE_EXTENDED ( + EMailParserMessageExternal, + e_mail_parser_message_external, + G_TYPE_OBJECT, + 0, + G_IMPLEMENT_INTERFACE ( + E_TYPE_MAIL_EXTENSION, + e_mail_parser_mail_extension_interface_init) + G_IMPLEMENT_INTERFACE ( + E_TYPE_MAIL_PARSER_EXTENSION, + e_mail_parser_parser_extension_interface_init)); + +static const gchar* parser_mime_types[] = { "message/external-body", + NULL }; + +static GSList * +empe_msg_external_parse (EMailParserExtension *extension, + EMailParser *parser, + CamelMimePart *part, + GString *part_id, + GCancellable *cancellable) +{ + EMailPart *mail_part; + CamelMimePart *newpart; + CamelContentType *type; + const gchar *access_type; + gchar *url = NULL, *desc = NULL; + gchar *content; + gint len; + gchar *mime_type; + + if (g_cancellable_is_cancelled (cancellable)) + return NULL; + + newpart = camel_mime_part_new (); + + /* needs to be cleaner */ + type = camel_mime_part_get_content_type (part); + access_type = camel_content_type_param (type, "access-type"); + if (!access_type) { + const gchar *msg = _("Malformed external-body part"); + mime_type = g_strdup ("text/plain"); + camel_mime_part_set_content (newpart, msg, strlen (msg), mime_type); + goto addPart; + } + + if (!g_ascii_strcasecmp(access_type, "ftp") || + !g_ascii_strcasecmp(access_type, "anon-ftp")) { + const gchar *name, *site, *dir, *mode; + gchar *path; + gchar ftype[16]; + + name = camel_content_type_param (type, "name"); + site = camel_content_type_param (type, "site"); + dir = camel_content_type_param (type, "directory"); + mode = camel_content_type_param (type, "mode"); + if (name == NULL || site == NULL) + goto fail; + + /* Generate the path. */ + if (dir) + path = g_strdup_printf("/%s/%s", *dir=='/'?dir+1:dir, name); + else + path = g_strdup_printf("/%s", *name=='/'?name+1:name); + + if (mode && *mode) + sprintf(ftype, ";type=%c", *mode); + else + ftype[0] = 0; + + url = g_strdup_printf ("ftp://%s%s%s", site, path, ftype); + g_free (path); + desc = g_strdup_printf (_("Pointer to FTP site (%s)"), url); + } else if (!g_ascii_strcasecmp (access_type, "local-file")) { + const gchar *name, *site; + + name = camel_content_type_param (type, "name"); + site = camel_content_type_param (type, "site"); + if (name == NULL) + goto fail; + + url = g_filename_to_uri (name, NULL, NULL); + if (site) + desc = g_strdup_printf(_("Pointer to local file (%s) valid at site \"%s\""), name, site); + else + desc = g_strdup_printf(_("Pointer to local file (%s)"), name); + } else if (!g_ascii_strcasecmp (access_type, "URL")) { + const gchar *urlparam; + gchar *s, *d; + + /* RFC 2017 */ + urlparam = camel_content_type_param (type, "url"); + if (urlparam == NULL) + goto fail; + + /* For obscure MIMEy reasons, the URL may be split into words */ + url = g_strdup (urlparam); + s = d = url; + while (*s) { + if (!isspace ((guchar) * s)) + *d++ = *s; + s++; + } + *d = 0; + desc = g_strdup_printf (_("Pointer to remote data (%s)"), url); + } else { + goto fail; + } + + mime_type = g_strdup ("text/html"); + content = g_strdup_printf ("<a href=\"%s\">%s</a>", url, desc); + camel_mime_part_set_content (newpart, content, strlen (content), mime_type); + g_free (content); + + g_free (url); + g_free (desc); + + goto addPart; + +fail: + content = g_strdup_printf ( + _("Pointer to unknown external data (\"%s\" type)"), + access_type); + mime_type = g_strdup ("text/plain"); + camel_mime_part_set_content (newpart, content, strlen (content), mime_type); + g_free (content); + +addPart: + len = part_id->len; + g_string_append (part_id, ".msg_external"); + mail_part = e_mail_part_new (part, part_id->str); + mail_part->mime_type = mime_type; + g_string_truncate (part_id, len); + + return g_slist_append (NULL, mail_part); +} + +static const gchar ** +empe_msg_external_mime_types (EMailExtension *extension) +{ + return parser_mime_types; +} + +static void +e_mail_parser_message_external_class_init (EMailParserMessageExternalClass *klass) +{ + e_mail_parser_message_external_parent_class = g_type_class_peek_parent (klass); +} + +static void +e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *iface) +{ + iface->parse = empe_msg_external_parse; +} + +static void +e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *iface) +{ + iface->mime_types = empe_msg_external_mime_types; +} + +static void +e_mail_parser_message_external_init (EMailParserMessageExternal *parser) +{ + +} |