API: added basic upload api for the file storage

rhodecode/api/views/server_api.py

@@ -1,414 +1,481 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2011-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # 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 General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import inspect
 import logging
 import itertools
+import base64
+
+from pyramid import compat
 
 from rhodecode.api import (
     jsonrpc_method, JSONRPCError, JSONRPCForbidden, find_methods)
 
 from rhodecode.api.utils import (
     Optional, OAttr, has_superadmin_permission, get_user_or_error)
 from rhodecode.lib.utils import repo2db_mapper
 from rhodecode.lib import system_info
 from rhodecode.lib import user_sessions
 from rhodecode.lib import exc_tracking
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.utils2 import safe_int
 from rhodecode.model.db import UserIpMap
 from rhodecode.model.scm import ScmModel
 from rhodecode.model.settings import VcsSettingsModel
+from rhodecode.apps.upload_store import utils
+from rhodecode.apps.upload_store.exceptions import FileNotAllowedException, \
+    FileOverSizeException
 
 log = logging.getLogger(__name__)
 
 
 @jsonrpc_method()
 def get_server_info(request, apiuser):
     """
     Returns the |RCE| server information.
 
     This includes the running version of |RCE| and all installed
     packages. This command takes the following options:
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
 
     Example output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       result : {
         'modules': [<module name>,...]
         'py_version': <python version>,
         'platform': <platform type>,
         'rhodecode_version': <rhodecode version>
       }
       error :  null
     """
 
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
     server_info = ScmModel().get_server_info(request.environ)
     # rhodecode-index requires those
 
     server_info['index_storage'] = server_info['search']['value']['location']
     server_info['storage'] = server_info['storage']['value']['path']
 
     return server_info
 
 
 @jsonrpc_method()
 def get_repo_store(request, apiuser):
     """
     Returns the |RCE| repository storage information.
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
 
     Example output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       result : {
         'modules': [<module name>,...]
         'py_version': <python version>,
         'platform': <platform type>,
         'rhodecode_version': <rhodecode version>
       }
       error :  null
     """
 
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
     path = VcsSettingsModel().get_repos_location()
     return {"path": path}
 
 
 @jsonrpc_method()
 def get_ip(request, apiuser, userid=Optional(OAttr('apiuser'))):
     """
     Displays the IP Address as seen from the |RCE| server.
 
     * This command displays the IP Address, as well as all the defined IP
       addresses for the specified user. If the ``userid`` is not set, the
       data returned is for the user calling the method.
 
     This command can only be run using an |authtoken| with admin rights to
     the specified repository.
 
     This command takes the following options:
 
     :param apiuser: This is filled automatically from |authtoken|.
     :type apiuser: AuthUser
     :param userid: Sets the userid for which associated IP Address data
         is returned.
     :type userid: Optional(str or int)
 
     Example output:
 
     .. code-block:: bash
 
         id : <id_given_in_input>
         result : {
                      "server_ip_addr": "<ip_from_clien>",
                      "user_ips": [
                                     {
                                        "ip_addr": "<ip_with_mask>",
                                        "ip_range": ["<start_ip>", "<end_ip>"],
                                     },
                                     ...
                                  ]
         }
 
     """
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
     userid = Optional.extract(userid, evaluate_locals=locals())
     userid = getattr(userid, 'user_id', userid)
 
     user = get_user_or_error(userid)
     ips = UserIpMap.query().filter(UserIpMap.user == user).all()
     return {
         'server_ip_addr': request.rpc_ip_addr,
         'user_ips': ips
     }
 
 
 @jsonrpc_method()
 def rescan_repos(request, apiuser, remove_obsolete=Optional(False)):
     """
     Triggers a rescan of the specified repositories.
 
     * If the ``remove_obsolete`` option is set, it also deletes repositories
       that are found in the database but not on the file system, so called
       "clean zombies".
 
     This command can only be run using an |authtoken| with admin rights to
     the specified repository.
 
     This command takes the following options:
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param remove_obsolete: Deletes repositories from the database that
         are not found on the filesystem.
     :type remove_obsolete: Optional(``True`` | ``False``)
 
     Example output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       result : {
         'added': [<added repository name>,...]
         'removed': [<removed repository name>,...]
       }
       error :  null
 
     Example error output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       result : null
       error :  {
         'Error occurred during rescan repositories action'
       }
 
     """
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
     try:
         rm_obsolete = Optional.extract(remove_obsolete)
         added, removed = repo2db_mapper(ScmModel().repo_scan(),
                                         remove_obsolete=rm_obsolete)
         return {'added': added, 'removed': removed}
     except Exception:
         log.exception('Failed to run repo rescann')
         raise JSONRPCError(
             'Error occurred during rescan repositories action'
         )
 
 
 @jsonrpc_method()
 def cleanup_sessions(request, apiuser, older_then=Optional(60)):
     """
     Triggers a session cleanup action.
 
     If the ``older_then`` option is set, only sessions that hasn't been
     accessed in the given number of days will be removed.
 
     This command can only be run using an |authtoken| with admin rights to
     the specified repository.
 
     This command takes the following options:
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param older_then: Deletes session that hasn't been accessed
         in given number of days.
     :type older_then: Optional(int)
 
     Example output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       result: {
         "backend": "<type of backend>",
         "sessions_removed": <number_of_removed_sessions>
       }
       error :  null
 
     Example error output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       result : null
       error :  {
         'Error occurred during session cleanup'
       }
 
     """
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
     older_then = safe_int(Optional.extract(older_then)) or 60
     older_than_seconds = 60 * 60 * 24 * older_then
 
     config = system_info.rhodecode_config().get_value()['value']['config']
     session_model = user_sessions.get_session_handler(
         config.get('beaker.session.type', 'memory'))(config)
 
     backend = session_model.SESSION_TYPE
     try:
         cleaned = session_model.clean_sessions(
             older_than_seconds=older_than_seconds)
         return {'sessions_removed': cleaned, 'backend': backend}
     except user_sessions.CleanupCommand as msg:
         return {'cleanup_command': msg.message, 'backend': backend}
     except Exception as e:
         log.exception('Failed session cleanup')
         raise JSONRPCError(
             'Error occurred during session cleanup'
         )
 
 
 @jsonrpc_method()
 def get_method(request, apiuser, pattern=Optional('*')):
     """
     Returns list of all available API methods. By default match pattern
     os "*" but any other pattern can be specified. eg *comment* will return
     all methods with comment inside them. If just single method is matched
     returned data will also include method specification
 
     This command can only be run using an |authtoken| with admin rights to
     the specified repository.
 
     This command takes the following options:
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
     :param pattern: pattern to match method names against
     :type pattern: Optional("*")
 
     Example output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       "result": [
         "changeset_comment",
         "comment_pull_request",
         "comment_commit"
       ]
       error :  null
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       "result": [
         "comment_commit",
         {
           "apiuser": "<RequiredType>",
           "comment_type": "<Optional:u'note'>",
           "commit_id": "<RequiredType>",
           "message": "<RequiredType>",
           "repoid": "<RequiredType>",
           "request": "<RequiredType>",
           "resolves_comment_id": "<Optional:None>",
           "status": "<Optional:None>",
           "userid": "<Optional:<OptionalAttr:apiuser>>"
         }
       ]
       error :  null
     """
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
     pattern = Optional.extract(pattern)
 
     matches = find_methods(request.registry.jsonrpc_methods, pattern)
 
     args_desc = []
     if len(matches) == 1:
         func = matches[matches.keys()[0]]
 
         argspec = inspect.getargspec(func)
         arglist = argspec[0]
         defaults = map(repr, argspec[3] or [])
 
         default_empty = '<RequiredType>'
 
         # kw arguments required by this method
         func_kwargs = dict(itertools.izip_longest(
             reversed(arglist), reversed(defaults), fillvalue=default_empty))
         args_desc.append(func_kwargs)
 
     return matches.keys() + args_desc
 
 
 @jsonrpc_method()
 def store_exception(request, apiuser, exc_data_json, prefix=Optional('rhodecode')):
     """
     Stores sent exception inside the built-in exception tracker in |RCE| server.
 
     This command can only be run using an |authtoken| with admin rights to
     the specified repository.
 
     This command takes the following options:
 
     :param apiuser: This is filled automatically from the |authtoken|.
     :type apiuser: AuthUser
 
     :param exc_data_json: JSON data with exception e.g
         {"exc_traceback": "Value `1` is not allowed", "exc_type_name": "ValueError"}
     :type exc_data_json: JSON data
 
     :param prefix: prefix for error type, e.g 'rhodecode', 'vcsserver', 'rhodecode-tools'
     :type prefix: Optional("rhodecode")
 
     Example output:
 
     .. code-block:: bash
 
       id : <id_given_in_input>
       "result": {
         "exc_id": 139718459226384,
         "exc_url": "http://localhost:8080/_admin/settings/exceptions/139718459226384"
       }
       error :  null
     """
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
     prefix = Optional.extract(prefix)
     exc_id = exc_tracking.generate_id()
 
     try:
         exc_data = json.loads(exc_data_json)
     except Exception:
         log.error('Failed to parse JSON: %r', exc_data_json)
         raise JSONRPCError('Failed to parse JSON data from exc_data_json field. '
                            'Please make sure it contains a valid JSON.')
 
     try:
         exc_traceback = exc_data['exc_traceback']
         exc_type_name = exc_data['exc_type_name']
     except KeyError as err:
         raise JSONRPCError('Missing exc_traceback, or exc_type_name '
                            'in exc_data_json field. Missing: {}'.format(err))
 
     exc_tracking._store_exception(
         exc_id=exc_id, exc_traceback=exc_traceback,
         exc_type_name=exc_type_name, prefix=prefix)
 
     exc_url = request.route_url(
         'admin_settings_exception_tracker_show', exception_id=exc_id)
     return {'exc_id': exc_id, 'exc_url': exc_url}
 
+
+@jsonrpc_method()
+def upload_file(request, apiuser, filename, content):
+    """
+    Upload API for the file_store
+
+    Example usage from CLI::
+        rhodecode-api --instance-name=enterprise-1 upload_file "{\"content\": \"$(cat image.jpg | base64)\", \"filename\":\"image.jpg\"}"
+
+
+    This command can only be run using an |authtoken| with admin rights to
+    the specified repository.
+
+    This command takes the following options:
+
+    :param apiuser: This is filled automatically from the |authtoken|.
+    :type apiuser: AuthUser
+    :param filename: name of the file uploaded
+    :type filename: str
+    :param content: base64 encoded content of the uploaded file
+    :type prefix: str
+
+    Example output:
+
+    .. code-block:: bash
+
+      id : <id_given_in_input>
+      result: {
+        "access_path": "/_file_store/download/84d156f7-8323-4ad3-9fce-4a8e88e1deaf-0.jpg",
+        "access_path_fqn": "http://server.domain.com/_file_store/download/84d156f7-8323-4ad3-9fce-4a8e88e1deaf-0.jpg",
+        "store_fid": "84d156f7-8323-4ad3-9fce-4a8e88e1deaf-0.jpg"
+      }
+      error :  null
+    """
+    if not has_superadmin_permission(apiuser):
+        raise JSONRPCForbidden()
+
+    storage = utils.get_file_storage(request.registry.settings)
+
+    try:
+        file_obj = compat.NativeIO(base64.decodestring(content))
+    except Exception as exc:
+        raise JSONRPCError('File `{}` content decoding error: {}.'.format(filename, exc))
+
+    metadata = {
+        'filename': filename,
+        'size': '',  # filled by save_file
+        'user_uploaded': {'username': apiuser.username,
+                          'user_id': apiuser.user_id,
+                          'ip': apiuser.ip_addr}}
+    try:
+        store_fid = storage.save_file(file_obj, filename, metadata=metadata)
+    except FileNotAllowedException:
+        raise JSONRPCError('File `{}` is not allowed.'.format(filename))
+
+    except FileOverSizeException:
+        raise JSONRPCError('File `{}` is exceeding allowed limit.'.format(filename))
+
+    return {'store_fid': store_fid,
+            'access_path_fqn': request.route_url('download_file', fid=store_fid),
+            'access_path': request.route_path('download_file', fid=store_fid)}

rhodecode/apps/upload_store/local_store.py

@@ -1,167 +1,171 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2016-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # 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 General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
+import time
 import shutil
 
 from rhodecode.lib.ext_json import json
 from rhodecode.apps.upload_store import utils
 from rhodecode.apps.upload_store.extensions import resolve_extensions
 from rhodecode.apps.upload_store.exceptions import FileNotAllowedException
 
+METADATA_VER = 'v1'
+
 
 class LocalFileStorage(object):
 
     @classmethod
     def resolve_name(cls, name, directory):
         """
         Resolves a unique name and the correct path. If a filename
         for that path already exists then a numeric prefix with values > 0 will be
         added, for example test.jpg -> test-1.jpg etc. initially file would have 0 prefix.
 
         :param name: base name of file
         :param directory: absolute directory path
         """
 
         basename, ext = os.path.splitext(name)
         counter = 0
         while True:
             name = '%s-%d%s' % (basename, counter, ext)
             path = os.path.join(directory, name)
             if not os.path.exists(path):
                 return name, path
             counter += 1
 
     def __init__(self, base_path, extension_groups=None):
 
         """
         Local file storage
 
         :param base_path: the absolute base path where uploads are stored
         :param extension_groups: extensions string
         """
 
         extension_groups = extension_groups or ['any']
         self.base_path = base_path
         self.extensions = resolve_extensions([], groups=extension_groups)
 
     def store_path(self, filename):
         """
         Returns absolute file path of the filename, joined to the
         base_path.
 
         :param filename: base name of file
         """
         return os.path.join(self.base_path, filename)
 
     def delete(self, filename):
         """
         Deletes the filename. Filename is resolved with the
         absolute path based on base_path. If file does not exist,
         returns **False**, otherwise **True**
 
         :param filename: base name of file
         """
         if self.exists(filename):
             os.remove(self.store_path(filename))
             return True
         return False
 
     def exists(self, filename):
         """
         Checks if file exists. Resolves filename's absolute
         path based on base_path.
 
         :param filename: base name of file
         """
         return os.path.exists(self.store_path(filename))
 
     def filename_allowed(self, filename, extensions=None):
         """Checks if a filename has an allowed extension
 
         :param filename: base name of file
         :param extensions: iterable of extensions (or self.extensions)
         """
         _, ext = os.path.splitext(filename)
         return self.extension_allowed(ext, extensions)
 
     def extension_allowed(self, ext, extensions=None):
         """
         Checks if an extension is permitted. Both e.g. ".jpg" and
         "jpg" can be passed in. Extension lookup is case-insensitive.
 
         :param extensions: iterable of extensions (or self.extensions)
         """
 
         extensions = extensions or self.extensions
         if not extensions:
             return True
         if ext.startswith('.'):
             ext = ext[1:]
         return ext.lower() in extensions
 
     def save_file(self, file_obj, filename, directory=None, extensions=None,
                   metadata=None, **kwargs):
         """
         Saves a file object to the uploads location.
         Returns the resolved filename, i.e. the directory +
         the (randomized/incremented) base name.
 
         :param file_obj: **cgi.FieldStorage** object (or similar)
         :param filename: original filename
         :param directory: relative path of sub-directory
         :param extensions: iterable of allowed extensions, if not default
         :param metadata: JSON metadata to store next to the file with .meta suffix
         :returns: modified filename
         """
 
         extensions = extensions or self.extensions
 
         if not self.filename_allowed(filename, extensions):
             raise FileNotAllowedException()
 
         if directory:
             dest_directory = os.path.join(self.base_path, directory)
         else:
             dest_directory = self.base_path
 
         if not os.path.exists(dest_directory):
             os.makedirs(dest_directory)
 
         filename = utils.uid_filename(filename)
 
         filename, path = self.resolve_name(filename, dest_directory)
         filename_meta = filename + '.meta'
 
         file_obj.seek(0)
 
         with open(path, "wb") as dest:
             shutil.copyfileobj(file_obj, dest)
 
         if metadata:
             size = os.stat(path).st_size
-            metadata.update({'size': size})
+            metadata.update({'size': size, "time": time.time(),
+                             "meta_ver": METADATA_VER})
             with open(os.path.join(dest_directory, filename_meta), "wb") as dest_meta:
                 dest_meta.write(json.dumps(metadata))
 
         if directory:
             filename = os.path.join(directory, filename)
 
         return filename