/* Create a GPG context (GMime 2.6) */
static notmuch_crypto_context_t *
-create_gpg_context (const char *gpgpath)
+create_gpg_context (notmuch_crypto_t *crypto)
{
notmuch_crypto_context_t *gpgctx;
+ if (crypto->gpgctx)
+ return crypto->gpgctx;
+
/* TODO: GMimePasswordRequestFunc */
- gpgctx = g_mime_gpg_context_new (NULL, gpgpath ? gpgpath : "gpg");
- if (! gpgctx)
+ gpgctx = g_mime_gpg_context_new (NULL, crypto->gpgpath ? crypto->gpgpath : "gpg");
+ if (! gpgctx) {
+ fprintf (stderr, "Failed to construct gpg context.\n");
return NULL;
+ }
+ crypto->gpgctx = gpgctx;
g_mime_gpg_context_set_use_agent ((GMimeGpgContext *) gpgctx, TRUE);
g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) gpgctx, FALSE);
return gpgctx;
}
+static const struct {
+ const char *protocol;
+ notmuch_crypto_context_t *(*get_context) (notmuch_crypto_t *crypto);
+} protocols[] = {
+ {
+ .protocol = "application/pgp-signature",
+ .get_context = create_gpg_context,
+ },
+ {
+ .protocol = "application/pgp-encrypted",
+ .get_context = create_gpg_context,
+ },
+};
+
/* for the specified protocol return the context pointer (initializing
* if needed) */
notmuch_crypto_context_t *
notmuch_crypto_get_context (notmuch_crypto_t *crypto, const char *protocol)
{
notmuch_crypto_context_t *cryptoctx = NULL;
+ size_t i;
if (! protocol) {
fprintf (stderr, "Cryptographic protocol is empty.\n");
* parameter names as defined in this document are
* case-insensitive." Thus, we use strcasecmp for the protocol.
*/
- if (strcasecmp (protocol, "application/pgp-signature") == 0 ||
- strcasecmp (protocol, "application/pgp-encrypted") == 0) {
- if (! crypto->gpgctx) {
- crypto->gpgctx = create_gpg_context (crypto->gpgpath);
- if (! crypto->gpgctx)
- fprintf (stderr, "Failed to construct gpg context.\n");
- }
- cryptoctx = crypto->gpgctx;
- } else {
- fprintf (stderr, "Unknown or unsupported cryptographic protocol.\n");
+ for (i = 0; i < ARRAY_SIZE (protocols); i++) {
+ if (strcasecmp (protocol, protocols[i].protocol) == 0)
+ return protocols[i].get_context (crypto);
}
- return cryptoctx;
+ fprintf (stderr, "Unknown or unsupported cryptographic protocol.\n");
+
+ return NULL;
}
int