flatpak-builder/src/builder-source-file.c

654 lines
20 KiB
C

/* builder-source-file.c
*
* Copyright (C) 2015 Red Hat, Inc
*
* This file 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) any later version.
*
* This file 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Alexander Larsson <alexl@redhat.com>
*/
#include "config.h"
#include <string.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/statfs.h>
#include "builder-flatpak-utils.h"
#include "builder-utils.h"
#include "builder-source-file.h"
struct BuilderSourceFile
{
BuilderSource parent;
char *path;
char *url;
char **mirror_urls;
char *md5;
char *sha1;
char *sha256;
char *sha512;
char *dest_filename;
};
typedef struct
{
BuilderSourceClass parent_class;
} BuilderSourceFileClass;
G_DEFINE_TYPE (BuilderSourceFile, builder_source_file, BUILDER_TYPE_SOURCE);
enum {
PROP_0,
PROP_PATH,
PROP_URL,
PROP_MD5,
PROP_SHA1,
PROP_SHA256,
PROP_SHA512,
PROP_DEST_FILENAME,
PROP_MIRROR_URLS,
LAST_PROP
};
static void
builder_source_file_finalize (GObject *object)
{
BuilderSourceFile *self = (BuilderSourceFile *) object;
g_free (self->path);
g_free (self->url);
g_free (self->md5);
g_free (self->sha1);
g_free (self->sha256);
g_free (self->sha512);
g_free (self->dest_filename);
g_strfreev (self->mirror_urls);
G_OBJECT_CLASS (builder_source_file_parent_class)->finalize (object);
}
static void
builder_source_file_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
BuilderSourceFile *self = BUILDER_SOURCE_FILE (object);
switch (prop_id)
{
case PROP_PATH:
g_value_set_string (value, self->path);
break;
case PROP_URL:
g_value_set_string (value, self->url);
break;
case PROP_MD5:
g_value_set_string (value, self->md5);
break;
case PROP_SHA1:
g_value_set_string (value, self->sha1);
break;
case PROP_SHA256:
g_value_set_string (value, self->sha256);
break;
case PROP_SHA512:
g_value_set_string (value, self->sha512);
break;
case PROP_DEST_FILENAME:
g_value_set_string (value, self->dest_filename);
break;
case PROP_MIRROR_URLS:
g_value_set_boxed (value, self->mirror_urls);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
builder_source_file_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
BuilderSourceFile *self = BUILDER_SOURCE_FILE (object);
gchar **tmp;
switch (prop_id)
{
case PROP_PATH:
g_free (self->path);
self->path = g_value_dup_string (value);
break;
case PROP_URL:
g_free (self->url);
self->url = g_value_dup_string (value);
break;
case PROP_MD5:
g_free (self->md5);
self->md5 = g_value_dup_string (value);
break;
case PROP_SHA1:
g_free (self->sha1);
self->sha1 = g_value_dup_string (value);
break;
case PROP_SHA256:
g_free (self->sha256);
self->sha256 = g_value_dup_string (value);
break;
case PROP_SHA512:
g_free (self->sha512);
self->sha512 = g_value_dup_string (value);
break;
case PROP_DEST_FILENAME:
g_free (self->dest_filename);
self->dest_filename = g_value_dup_string (value);
break;
case PROP_MIRROR_URLS:
tmp = self->mirror_urls;
self->mirror_urls = g_strdupv (g_value_get_boxed (value));
g_strfreev (tmp);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static SoupURI *
get_uri (BuilderSourceFile *self,
GError **error)
{
SoupURI *uri;
if (self->url == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "URL not specified");
return NULL;
}
uri = soup_uri_new (self->url);
if (uri == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Invalid URL '%s'", self->url);
return NULL;
}
return uri;
}
static GFile *
get_download_location (BuilderSourceFile *self,
gboolean *is_inline,
BuilderContext *context,
GError **error)
{
g_autoptr(SoupURI) uri = NULL;
const char *path;
g_autofree char *base_name = NULL;
g_autoptr(GFile) file = NULL;
const char *checksums[BUILDER_CHECKSUMS_LEN];
GChecksumType checksums_type[BUILDER_CHECKSUMS_LEN];
uri = get_uri (self, error);
if (uri == NULL)
return FALSE;
path = soup_uri_get_path (uri);
if (g_str_has_prefix (self->url, "data:"))
{
*is_inline = TRUE;
return g_file_new_for_path ("inline data");
}
*is_inline = FALSE;
base_name = g_path_get_basename (path);
builder_get_all_checksums (checksums, checksums_type,
self->md5,
self->sha1,
self->sha256,
self->sha512);
if (checksums[0] == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "No checksum specified for file source %s", base_name);
return FALSE;
}
file = builder_context_find_in_sources_dirs (context,
"downloads",
checksums[0],
base_name,
NULL);
if (file != NULL)
return g_steal_pointer (&file);
file = flatpak_build_file (builder_context_get_download_dir (context),
checksums[0],
base_name,
NULL);
return g_steal_pointer (&file);
}
static GFile *
get_source_file (BuilderSourceFile *self,
BuilderContext *context,
gboolean *is_local,
gboolean *is_inline,
GError **error)
{
GFile *base_dir = BUILDER_SOURCE (self)->base_dir;
if (self->url != NULL && self->url[0] != 0)
{
*is_local = FALSE;
return get_download_location (self, is_inline, context, error);
}
if (self->path != NULL && self->path[0] != 0)
{
*is_local = TRUE;
*is_inline = FALSE;
return g_file_resolve_relative_path (base_dir, self->path);
}
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "source file path or url not specified");
return NULL;
}
static GBytes *
download_data_uri (const char *url,
BuilderContext *context,
GError **error)
{
SoupSession *session;
g_autoptr(SoupRequest) req = NULL;
g_autoptr(GInputStream) input = NULL;
g_autoptr(GOutputStream) out = NULL;
session = builder_context_get_soup_session (context);
req = soup_session_request (session, url, error);
if (req == NULL)
return NULL;
input = soup_request_send (req, NULL, error);
if (input == NULL)
return NULL;
out = g_memory_output_stream_new_resizable ();
if (!g_output_stream_splice (out,
input,
G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET | G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE,
NULL,
error))
return NULL;
return g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (out));
}
static gboolean
builder_source_file_show_deps (BuilderSource *source,
GError **error)
{
BuilderSourceFile *self = BUILDER_SOURCE_FILE (source);
if (self->path && self->path[0] != 0)
g_print ("%s\n", self->path);
return TRUE;
}
static gboolean
builder_source_file_download (BuilderSource *source,
gboolean update_vcs,
BuilderContext *context,
GError **error)
{
BuilderSourceFile *self = BUILDER_SOURCE_FILE (source);
g_autoptr(GFile) file = NULL;
gboolean is_local, is_inline;
g_autofree char *base_name = NULL;
const char *checksums[BUILDER_CHECKSUMS_LEN];
GChecksumType checksums_type[BUILDER_CHECKSUMS_LEN];
file = get_source_file (self, context, &is_local, &is_inline, error);
if (file == NULL)
return FALSE;
base_name = g_file_get_basename (file);
builder_get_all_checksums (checksums, checksums_type,
self->md5,
self->sha1,
self->sha256,
self->sha512);
if (g_file_query_exists (file, NULL))
{
return !is_local || checksums[0] == NULL ||
builder_verify_checksums (base_name, file,
checksums, checksums_type,
error);
}
if (is_inline)
return TRUE;
if (is_local)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Can't find file at %s", self->path);
return FALSE;
}
if (checksums[0] == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "No checksum specified for file source %s", base_name);
return FALSE;
}
if (!builder_context_download_uri (context,
self->url,
(const char **)self->mirror_urls,
file,
checksums,
checksums_type,
error))
return FALSE;
return TRUE;
}
static gboolean
builder_source_file_extract (BuilderSource *source,
GFile *dest,
BuilderOptions *build_options,
BuilderContext *context,
GError **error)
{
BuilderSourceFile *self = BUILDER_SOURCE_FILE (source);
g_autoptr(GFile) src = NULL;
g_autoptr(GFile) dest_file = NULL;
g_autofree char *dest_filename = NULL;
gboolean is_local, is_inline;
src = get_source_file (self, context, &is_local, &is_inline, error);
if (src == NULL)
return FALSE;
if (self->dest_filename)
{
dest_filename = g_strdup (self->dest_filename);
}
else
{
if (is_inline)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No dest-filename set for inline file data");
return FALSE;
}
dest_filename = g_file_get_basename (src);
}
dest_file = g_file_get_child (dest, dest_filename);
/* If the destination file exists, just delete it. We can encounter errors when
* trying to overwrite files that are not writable.
*/
if (g_file_query_exists (dest_file, NULL) && !g_file_delete (dest_file, NULL, error))
return FALSE;
if (is_inline)
{
g_autoptr(GBytes) content = NULL;
content = download_data_uri (self->url,
context,
error);
if (content == NULL)
return FALSE;
if (!g_file_set_contents (flatpak_file_get_path_cached (dest_file),
g_bytes_get_data (content, NULL),
g_bytes_get_size (content), error))
return FALSE;
}
else
{
/* Make sure the target is gone, because g_file_copy does
truncation on hardlinked destinations */
(void)g_file_delete (dest_file, NULL, NULL);
if (!g_file_copy (src, dest_file,
G_FILE_COPY_OVERWRITE,
NULL,
NULL, NULL,
error))
return FALSE;
}
return TRUE;
}
static gboolean
builder_source_file_bundle (BuilderSource *source,
BuilderContext *context,
GError **error)
{
BuilderSourceFile *self = BUILDER_SOURCE_FILE (source);
g_autoptr(GFile) file = NULL;
g_autoptr(GFile) destination_file = NULL;
g_autoptr(GFile) destination_dir = NULL;
g_autofree char *file_name = NULL;
gboolean is_local, is_inline;
const char *checksums[BUILDER_CHECKSUMS_LEN];
GChecksumType checksums_type[BUILDER_CHECKSUMS_LEN];
file = get_source_file (self, context, &is_local, &is_inline, error);
if (file == NULL)
return FALSE;
/* Inline URIs (data://) need not be bundled */
if (is_inline)
return TRUE;
builder_get_all_checksums (checksums, checksums_type,
self->md5,
self->sha1,
self->sha256,
self->sha512);
if (is_local)
{
GFile *manifest_base_dir = builder_context_get_base_dir (context);
g_autofree char *rel_path = g_file_get_relative_path (manifest_base_dir, file);
if (rel_path == NULL)
{
g_warning ("Local file %s is outside manifest tree, not bundling", flatpak_file_get_path_cached (file));
return TRUE;
}
destination_file = flatpak_build_file (builder_context_get_app_dir (context),
"sources/manifest", rel_path, NULL);
}
else
{
file_name = g_file_get_basename (file);
destination_file = flatpak_build_file (builder_context_get_app_dir (context),
"sources/downloads",
checksums[0],
file_name,
NULL);
}
destination_dir = g_file_get_parent (destination_file);
if (!flatpak_mkdir_p (destination_dir, NULL, error))
return FALSE;
if (!g_file_copy (file, destination_file,
G_FILE_COPY_OVERWRITE,
NULL,
NULL, NULL,
error))
return FALSE;
return TRUE;
}
static gboolean
builder_source_file_update (BuilderSource *source,
BuilderContext *context,
GError **error)
{
return TRUE;
}
static void
builder_source_file_checksum (BuilderSource *source,
BuilderCache *cache,
BuilderContext *context)
{
BuilderSourceFile *self = BUILDER_SOURCE_FILE (source);
g_autoptr(GFile) src = NULL;
g_autofree char *data = NULL;
gsize len;
gboolean is_local, is_inline;
src = get_source_file (self, context, &is_local, &is_inline, NULL);
if (src == NULL)
return;
if (is_local &&
g_file_load_contents (src, NULL, &data, &len, NULL, NULL))
builder_cache_checksum_data (cache, (guchar *) data, len);
builder_cache_checksum_str (cache, self->path);
builder_cache_checksum_str (cache, self->url);
builder_cache_checksum_str (cache, self->sha256);
builder_cache_checksum_compat_str (cache, self->md5);
builder_cache_checksum_compat_str (cache, self->sha1);
builder_cache_checksum_compat_str (cache, self->sha512);
builder_cache_checksum_str (cache, self->dest_filename);
builder_cache_checksum_compat_strv (cache, self->mirror_urls);
}
static void
builder_source_file_class_init (BuilderSourceFileClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
BuilderSourceClass *source_class = BUILDER_SOURCE_CLASS (klass);
object_class->finalize = builder_source_file_finalize;
object_class->get_property = builder_source_file_get_property;
object_class->set_property = builder_source_file_set_property;
source_class->show_deps = builder_source_file_show_deps;
source_class->download = builder_source_file_download;
source_class->extract = builder_source_file_extract;
source_class->bundle = builder_source_file_bundle;
source_class->update = builder_source_file_update;
source_class->checksum = builder_source_file_checksum;
g_object_class_install_property (object_class,
PROP_PATH,
g_param_spec_string ("path",
"",
"",
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_URL,
g_param_spec_string ("url",
"",
"",
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_MD5,
g_param_spec_string ("md5",
"",
"",
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_SHA1,
g_param_spec_string ("sha1",
"",
"",
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_SHA256,
g_param_spec_string ("sha256",
"",
"",
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_SHA512,
g_param_spec_string ("sha512",
"",
"",
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_DEST_FILENAME,
g_param_spec_string ("dest-filename",
"",
"",
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_MIRROR_URLS,
g_param_spec_boxed ("mirror-urls",
"",
"",
G_TYPE_STRV,
G_PARAM_READWRITE));
}
static void
builder_source_file_init (BuilderSourceFile *self)
{
}