diff options
Diffstat (limited to 'e-util')
| -rw-r--r-- | e-util/e-signature-utils.c | 145 | ||||
| -rw-r--r-- | e-util/e-signature-utils.h | 8 |
2 files changed, 152 insertions, 1 deletions
diff --git a/e-util/e-signature-utils.c b/e-util/e-signature-utils.c index 2a21a25b25..5565ef9faf 100644 --- a/e-util/e-signature-utils.c +++ b/e-util/e-signature-utils.c @@ -1,4 +1,6 @@ /* + * e-signature-utils.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 @@ -17,7 +19,17 @@ #include "e-signature-utils.h" +#include <errno.h> +#include <glib/gstdio.h> #include <gconf/gconf-client.h> +#include <camel/camel-stream.h> +#include <camel/camel-stream-fs.h> +#include <camel/camel-stream-mem.h> +#include <camel/camel-stream-filter.h> +#include <camel/camel-mime-filter-charset.h> +#include <camel/camel-mime-filter-tohtml.h> + +#include "e-util/e-util.h" static ESignatureList *global_signature_list; @@ -70,3 +82,136 @@ e_get_signature_by_uid (const gchar *uid) /* XXX ESignatureList misuses const. */ return (ESignature *) signature; } + +gchar * +e_create_signature_file (GError **error) +{ + const gchar *data_dir; + gchar basename[32]; + gchar *filename; + gchar *pathname; + gint32 ii; + + data_dir = e_get_user_data_dir (); + pathname = g_build_filename (data_dir, "signatures", NULL); + filename = NULL; + + if (g_mkdir_with_parents (pathname, 0700) < 0) { + g_set_error ( + error, G_FILE_ERROR, + g_file_error_from_errno (errno), + "%s: %s", pathname, g_strerror (errno)); + g_free (pathname); + return NULL; + } + + for (ii = 0; ii < G_MAXINT32; ii++) { + + g_snprintf ( + basename, sizeof (basename), + "signature-%" G_GINT32_FORMAT, ii); + + g_free (filename); + filename = g_build_filename (pathname, basename, NULL); + + if (!g_file_test (filename, G_FILE_TEST_EXISTS)) { + gint fd; + + fd = g_creat (filename, 0600); + if (fd >= 0) { + close (fd); + break; + } + + /* If we failed once we're probably going + * to continue failing, so just give up. */ + g_set_error ( + error, G_FILE_ERROR, + g_file_error_from_errno (errno), + "%s: %s", filename, g_strerror (errno)); + g_free (filename); + filename = NULL; + break; + } + } + + /* If there are actually G_MAXINT32 signature files, the + * most recent signature file we be overwritten. Sorry. */ + + return filename; +} + +gchar * +e_read_signature_file (ESignature *signature, + gboolean convert_to_html, + GError **error) +{ + CamelStream *input_stream; + CamelStream *output_stream; + GByteArray *buffer; + gchar *content; + gsize length; + gint fd; + + g_return_val_if_fail (E_IS_SIGNATURE (signature), NULL); + + fd = g_open (signature->filename, O_RDONLY, 0); + if (fd < 0) { + g_set_error ( + error, G_FILE_ERROR, + g_file_error_from_errno (errno), + "%s: %s", signature->filename, + g_strerror (errno)); + return NULL; + } + + input_stream = camel_stream_fs_new_with_fd (fd); + + if (!signature->html && convert_to_html) { + CamelStreamFilter *filtered_stream; + CamelMimeFilter *filter; + gint32 flags; + + filtered_stream = + camel_stream_filter_new_with_stream (input_stream); + camel_object_unref (input_stream); + + flags = + CAMEL_MIME_FILTER_TOHTML_PRESERVE_8BIT | + CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | + CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES | + CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES; + filter = camel_mime_filter_tohtml_new (flags, 0); + camel_stream_filter_add (filtered_stream, filter); + camel_object_unref (filter); + + input_stream = (CamelStream *) filtered_stream; + } + + buffer = g_byte_array_new (); + output_stream = camel_stream_mem_new (); + camel_stream_mem_set_byte_array ( + CAMEL_STREAM_MEM (output_stream), buffer); + camel_stream_write_to_stream (input_stream, output_stream); + camel_object_unref (output_stream); + camel_object_unref (input_stream); + + /* Make sure the buffer is nul-terminated. */ + length = (gsize) buffer->len; + g_byte_array_append (buffer, (guint8 *) "", 1); + content = (gchar *) g_byte_array_free (buffer, FALSE); + + /* Signatures are saved as UTF-8, but we still need to check that + * the signature is valid UTF-8 because the user may be opening + * a signature file that is in his/her locale character set. If + * it's not in UTF-8 then try converting from the current locale. */ + if (!g_utf8_validate (content, length, NULL)) { + gchar *utf8; + + utf8 = g_locale_to_utf8 (content, length, NULL, NULL, error); + g_free (content); + content = utf8; + } + + return content; +} diff --git a/e-util/e-signature-utils.h b/e-util/e-signature-utils.h index 961a6a6d26..d4fdfd97f4 100644 --- a/e-util/e-signature-utils.h +++ b/e-util/e-signature-utils.h @@ -1,4 +1,6 @@ /* + * e-signature-utils.h + * * 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 @@ -18,7 +20,7 @@ #ifndef E_SIGNATURE_UTILS_H #define E_SIGNATURE_UTILS_H -#include <glib.h> +#include <gtk/gtk.h> #include <e-util/e-signature.h> #include <e-util/e-signature-list.h> @@ -27,6 +29,10 @@ G_BEGIN_DECLS ESignatureList *e_get_signature_list (void); ESignature * e_get_signature_by_name (const gchar *name); ESignature * e_get_signature_by_uid (const gchar *uid); +gchar * e_create_signature_file (GError **error); +gchar * e_read_signature_file (ESignature *signature, + gboolean convert_to_html, + GError **error); G_END_DECLS |