[libsecret/wip/dueno/simple-item: 4/7] secret-password: Add lookup_binary functions



commit f86384919ee55e55a9b2dcf36a22136be4b13e0c
Author: Daiki Ueno <dueno src gnome org>
Date:   Thu Jun 20 06:55:37 2019 +0200

    secret-password: Add lookup_binary functions
    
    This adds a set of functions that return a SecretValue instead of a
    text password when looking up a secret.  This is useful if the stored
    password is not null-terminated.

 libsecret/secret-password.c | 124 ++++++++++++++++++++++++++++++++++++++++++++
 libsecret/secret-password.h |  63 ++++++++++++----------
 2 files changed, 161 insertions(+), 26 deletions(-)
---
diff --git a/libsecret/secret-password.c b/libsecret/secret-password.c
index 640519e..4bc08af 100644
--- a/libsecret/secret-password.c
+++ b/libsecret/secret-password.c
@@ -407,6 +407,25 @@ secret_password_lookup_nonpageable_finish (GAsyncResult *result,
        return _secret_value_unref_to_password (value);
 }
 
+/**
+ * secret_password_lookup_binary_finish: (skip)
+ * @result: the asynchronous result passed to the callback
+ * @error: location to place an error on failure
+ *
+ * Finish an asynchronous operation to lookup a password in the secret service.
+ *
+ * Returns: (transfer full): a newly allocated #SecretValue, which should be
+ *          released with secret_value_unref(), or %NULL if no secret found
+ */
+SecretValue *
+secret_password_lookup_binary_finish (GAsyncResult *result,
+                                     GError **error)
+{
+       g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+       return secret_service_lookup_finish (NULL, result, error);
+}
+
 /**
  * secret_password_lookup_finish:
  * @result: the asynchronous result passed to the callback
@@ -589,6 +608,111 @@ secret_password_lookupv_nonpageable_sync (const SecretSchema *schema,
        return password;
 }
 
+/**
+ * secret_password_lookup_binary_sync: (skip)
+ * @schema: the schema for the attributes
+ * @cancellable: optional cancellation object
+ * @error: location to place an error on failure
+ * @...: the attribute keys and values, terminated with %NULL
+ *
+ * Lookup a password in the secret service.
+ *
+ * The variable argument list should contain pairs of a) The attribute name as
+ * a null-terminated string, followed by b) attribute value, either a character
+ * string, an int number, or a gboolean value, as defined in the password
+ * @schema. The list of attribtues should be terminated with a %NULL.
+ *
+ * If no secret is found then %NULL is returned.
+ *
+ * This method may block indefinitely and should not be used in user interface
+ * threads.
+ *
+ * Returns: (transfer full): a newly allocated #SecretValue, which should be
+ *          released with secret_value_unref(), or %NULL if no secret found
+ */
+SecretValue *
+secret_password_lookup_binary_sync (const SecretSchema *schema,
+                                   GCancellable *cancellable,
+                                   GError **error,
+                                   ...)
+{
+       GHashTable *attributes;
+       SecretValue *value;
+       va_list va;
+
+       g_return_val_if_fail (schema != NULL, NULL);
+       g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), NULL);
+       g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+       va_start (va, error);
+       attributes = secret_attributes_buildv (schema, va);
+       va_end (va);
+
+       /* Precondition failed, already warned */
+       if (!attributes)
+               return NULL;
+
+       value = secret_password_lookupv_binary_sync (schema, attributes,
+                                                    cancellable, error);
+
+       g_hash_table_unref (attributes);
+
+       return value;
+}
+
+/**
+ * secret_password_lookupv_binary_sync: (skip)
+ * @schema: the schema for attributes
+ * @attributes: (element-type utf8 utf8): the attribute keys and values
+ * @cancellable: optional cancellation object
+ * @error: location to place an error on failure
+ *
+ * Lookup a password in the secret service.
+ *
+ * The @attributes should be a set of key and value string pairs.
+ *
+ * If no secret is found then %NULL is returned.
+ *
+ * This method may block indefinitely and should not be used in user interface
+ * threads.
+ *
+ * Returns: (transfer full): a newly allocated #SecretValue, which should be
+ *          released with secret_value_unref(), or %NULL if no secret found
+ */
+SecretValue *
+secret_password_lookupv_binary_sync (const SecretSchema *schema,
+                                    GHashTable *attributes,
+                                    GCancellable *cancellable,
+                                    GError **error)
+{
+       SecretSync *sync;
+       SecretValue *value;
+
+       g_return_val_if_fail (schema != NULL, NULL);
+       g_return_val_if_fail (attributes != NULL, NULL);
+       g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), NULL);
+       g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+       /* Warnings raised already */
+       if (!_secret_attributes_validate (schema, attributes, G_STRFUNC, TRUE))
+               return FALSE;
+
+       sync = _secret_sync_new ();
+       g_main_context_push_thread_default (sync->context);
+
+       secret_password_lookupv (schema, attributes, cancellable,
+                                _secret_sync_on_result, sync);
+
+       g_main_loop_run (sync->loop);
+
+       value = secret_password_lookup_binary_finish (sync->result, error);
+
+       g_main_context_pop_thread_default (sync->context);
+       _secret_sync_free (sync);
+
+       return value;
+}
+
 /**
  * secret_password_lookupv_sync: (rename-to secret_password_lookup_sync)
  * @schema: the schema for attributes
diff --git a/libsecret/secret-password.h b/libsecret/secret-password.h
index 725d11b..36cc18d 100644
--- a/libsecret/secret-password.h
+++ b/libsecret/secret-password.h
@@ -25,8 +25,9 @@ G_BEGIN_DECLS
 
 #include "secret-schema.h"
 #include "secret-types.h"
+#include "secret-value.h"
 
-void        secret_password_store                      (const SecretSchema *schema,
+void         secret_password_store                     (const SecretSchema *schema,
                                                         const gchar *collection,
                                                         const gchar *label,
                                                         const gchar *password,
@@ -35,7 +36,7 @@ void        secret_password_store                      (const SecretSchema *sche
                                                         gpointer user_data,
                                                         ...) G_GNUC_NULL_TERMINATED;
 
-void        secret_password_storev                     (const SecretSchema *schema,
+void         secret_password_storev                    (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         const gchar *collection,
                                                         const gchar *label,
@@ -44,10 +45,10 @@ void        secret_password_storev                     (const SecretSchema *sche
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data);
 
-gboolean    secret_password_store_finish               (GAsyncResult *result,
+gboolean     secret_password_store_finish              (GAsyncResult *result,
                                                         GError **error);
 
-gboolean    secret_password_store_sync                 (const SecretSchema *schema,
+gboolean     secret_password_store_sync                (const SecretSchema *schema,
                                                         const gchar *collection,
                                                         const gchar *label,
                                                         const gchar *password,
@@ -55,7 +56,7 @@ gboolean    secret_password_store_sync                 (const SecretSchema *sche
                                                         GError **error,
                                                         ...) G_GNUC_NULL_TERMINATED;
 
-gboolean    secret_password_storev_sync                (const SecretSchema *schema,
+gboolean     secret_password_storev_sync               (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         const gchar *collection,
                                                         const gchar *label,
@@ -63,101 +64,111 @@ gboolean    secret_password_storev_sync                (const SecretSchema *sche
                                                         GCancellable *cancellable,
                                                         GError **error);
 
-void        secret_password_lookup                     (const SecretSchema *schema,
+void         secret_password_lookup                    (const SecretSchema *schema,
                                                         GCancellable *cancellable,
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data,
                                                         ...) G_GNUC_NULL_TERMINATED;
 
-void        secret_password_lookupv                    (const SecretSchema *schema,
+void         secret_password_lookupv                   (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         GCancellable *cancellable,
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data);
 
-gchar *     secret_password_lookup_finish              (GAsyncResult *result,
+gchar *      secret_password_lookup_finish             (GAsyncResult *result,
                                                         GError **error);
 
-gchar *     secret_password_lookup_nonpageable_finish  (GAsyncResult *result,
-                                                        GError **error);
+gchar *      secret_password_lookup_nonpageable_finish (GAsyncResult *result,
+                                                         GError **error);
+SecretValue *secret_password_lookup_binary_finish      (GAsyncResult *result,
+                                                       GError **error);
 
-gchar *     secret_password_lookup_sync                (const SecretSchema *schema,
+gchar *      secret_password_lookup_sync               (const SecretSchema *schema,
                                                         GCancellable *cancellable,
                                                         GError **error,
                                                         ...) G_GNUC_NULL_TERMINATED;
 
-gchar *     secret_password_lookup_nonpageable_sync    (const SecretSchema *schema,
+gchar *      secret_password_lookup_nonpageable_sync   (const SecretSchema *schema,
                                                         GCancellable *cancellable,
                                                         GError **error,
                                                         ...);
+SecretValue *secret_password_lookup_binary_sync        (const SecretSchema *schema,
+                                                       GCancellable *cancellable,
+                                                       GError **error,
+                                                       ...);
 
-gchar *     secret_password_lookupv_sync               (const SecretSchema *schema,
+gchar *      secret_password_lookupv_sync              (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         GCancellable *cancellable,
                                                         GError **error);
 
-gchar *     secret_password_lookupv_nonpageable_sync   (const SecretSchema *schema,
+gchar *      secret_password_lookupv_nonpageable_sync  (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         GCancellable *cancellable,
                                                         GError **error);
+SecretValue *secret_password_lookupv_binary_sync       (const SecretSchema *schema,
+                                                       GHashTable *attributes,
+                                                       GCancellable *cancellable,
+                                                       GError **error);
 
-void        secret_password_clear                      (const SecretSchema *schema,
+void         secret_password_clear                     (const SecretSchema *schema,
                                                         GCancellable *cancellable,
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data,
                                                         ...) G_GNUC_NULL_TERMINATED;
 
-void        secret_password_clearv                     (const SecretSchema *schema,
+void         secret_password_clearv                    (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         GCancellable *cancellable,
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data);
 
-gboolean    secret_password_clear_finish               (GAsyncResult *result,
+gboolean     secret_password_clear_finish              (GAsyncResult *result,
                                                         GError **error);
 
-gboolean    secret_password_clear_sync                 (const SecretSchema* schema,
+gboolean     secret_password_clear_sync                (const SecretSchema* schema,
                                                         GCancellable *cancellable,
                                                         GError **error,
                                                         ...) G_GNUC_NULL_TERMINATED;
 
-gboolean    secret_password_clearv_sync                (const SecretSchema *schema,
+gboolean     secret_password_clearv_sync               (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         GCancellable *cancellable,
                                                         GError **error);
 
-void        secret_password_search                     (const SecretSchema *schema,
+void         secret_password_search                    (const SecretSchema *schema,
                                                         SecretSearchFlags flags,
                                                         GCancellable *cancellable,
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data,
                                                         ...) G_GNUC_NULL_TERMINATED;
 
-void        secret_password_searchv                    (const SecretSchema *schema,
+void         secret_password_searchv                   (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         SecretSearchFlags flags,
                                                         GCancellable *cancellable,
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data);
 
-GList *     secret_password_search_sync                (const SecretSchema *schema,
+GList *      secret_password_search_sync               (const SecretSchema *schema,
                                                         SecretSearchFlags flags,
                                                         GCancellable *cancellable,
                                                         GError **error,
                                                         ...) G_GNUC_NULL_TERMINATED;
 
-GList *     secret_password_searchv_sync               (const SecretSchema *schema,
+GList *      secret_password_searchv_sync              (const SecretSchema *schema,
                                                         GHashTable *attributes,
                                                         SecretSearchFlags flags,
                                                         GCancellable *cancellable,
                                                         GError **error);
 
-GList *     secret_password_search_finish              (GAsyncResult *result,
+GList *      secret_password_search_finish             (GAsyncResult *result,
                                                         GError **error);
 
-void        secret_password_free                       (gchar *password);
+void         secret_password_free                      (gchar *password);
 
-void        secret_password_wipe                       (gchar *password);
+void         secret_password_wipe                      (gchar *password);
 
 G_END_DECLS
 


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