# -*- coding: utf-8 -*-

# Copyright (C) 2010-2018 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/

"""
Test suite for making push/pull operations, on specially modified INI files

.. important::

   You must have git >= 1.8.5 for tests to work fine. With 68b939b git started
   to redirect things to stderr instead of stdout.
"""


import time

import pytest

from rhodecode.lib import rc_cache
from rhodecode.model.auth_token import AuthTokenModel
from rhodecode.model.db import Repository, UserIpMap, CacheKey
from rhodecode.model.meta import Session
from rhodecode.model.repo import RepoModel
from rhodecode.model.user import UserModel
from rhodecode.tests import (GIT_REPO, HG_REPO, TEST_USER_ADMIN_LOGIN)

from rhodecode.tests.vcs_operations import (
    Command, _check_proper_clone, _check_proper_git_push,
    _add_files_and_push, HG_REPO_WITH_GROUP, GIT_REPO_WITH_GROUP)


@pytest.mark.usefixtures("disable_locking", "disable_anonymous_user")
class TestVCSOperations(object):

    def test_clone_hg_repo_by_admin(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(HG_REPO)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'hg')

    def test_clone_git_repo_by_admin(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO)
        cmd = Command('/tmp')
        stdout, stderr = cmd.execute('git clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'git')
        cmd.assert_returncode_success()

    def test_clone_git_repo_by_admin_with_git_suffix(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO)
        cmd = Command('/tmp')
        stdout, stderr = cmd.execute('git clone', clone_url+".git", tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'git')
        cmd.assert_returncode_success()

    def test_clone_hg_repo_by_id_by_admin(self, rc_web_server, tmpdir):
        repo_id = Repository.get_by_repo_name(HG_REPO).repo_id
        clone_url = rc_web_server.repo_clone_url('_%s' % repo_id)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'hg')

    def test_clone_git_repo_by_id_by_admin(self, rc_web_server, tmpdir):
        repo_id = Repository.get_by_repo_name(GIT_REPO).repo_id
        clone_url = rc_web_server.repo_clone_url('_%s' % repo_id)
        cmd = Command('/tmp')
        stdout, stderr = cmd.execute('git clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'git')
        cmd.assert_returncode_success()

    def test_clone_hg_repo_with_group_by_admin(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(HG_REPO_WITH_GROUP)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'hg')

    def test_clone_git_repo_with_group_by_admin(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO_WITH_GROUP)
        cmd = Command('/tmp')
        stdout, stderr = cmd.execute('git clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'git')
        cmd.assert_returncode_success()

    def test_clone_git_repo_shallow_by_admin(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO)
        cmd = Command('/tmp')
        stdout, stderr = cmd.execute(
            'git clone --depth=1', clone_url, tmpdir.strpath)

        assert '' == stdout
        assert 'Cloning into' in stderr
        cmd.assert_returncode_success()

    def test_clone_wrong_credentials_hg(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(HG_REPO, passwd='bad!')
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'abort: authorization failed' in stderr

    def test_clone_wrong_credentials_git(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO, passwd='bad!')
        stdout, stderr = Command('/tmp').execute(
            'git clone', clone_url, tmpdir.strpath)
        assert 'fatal: Authentication failed' in stderr

    def test_clone_git_dir_as_hg(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'HTTP Error 404: Not Found' in stderr

    def test_clone_hg_repo_as_git(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(HG_REPO)
        stdout, stderr = Command('/tmp').execute(
            'git clone', clone_url, tmpdir.strpath)
        assert 'not found' in stderr

    def test_clone_non_existing_path_hg(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url('trololo')
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'HTTP Error 404: Not Found' in stderr

    def test_clone_non_existing_path_git(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url('trololo')
        stdout, stderr = Command('/tmp').execute('git clone', clone_url)
        assert 'not found' in stderr

    def test_clone_hg_with_slashes(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url('//' + HG_REPO)
        stdout, stderr = Command('/tmp').execute('hg clone', clone_url, tmpdir.strpath)
        assert 'HTTP Error 404: Not Found' in stderr

    def test_clone_git_with_slashes(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url('//' + GIT_REPO)
        stdout, stderr = Command('/tmp').execute('git clone', clone_url)
        assert 'not found' in stderr

    def test_clone_existing_path_hg_not_in_database(
            self, rc_web_server, tmpdir, fs_repo_only):

        db_name = fs_repo_only('not-in-db-hg', repo_type='hg')
        clone_url = rc_web_server.repo_clone_url(db_name)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'HTTP Error 404: Not Found' in stderr

    def test_clone_existing_path_git_not_in_database(
            self, rc_web_server, tmpdir, fs_repo_only):
        db_name = fs_repo_only('not-in-db-git', repo_type='git')
        clone_url = rc_web_server.repo_clone_url(db_name)
        stdout, stderr = Command('/tmp').execute(
            'git clone', clone_url, tmpdir.strpath)
        assert 'not found' in stderr

    def test_clone_existing_path_hg_not_in_database_different_scm(
            self, rc_web_server, tmpdir, fs_repo_only):
        db_name = fs_repo_only('not-in-db-git', repo_type='git')
        clone_url = rc_web_server.repo_clone_url(db_name)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'HTTP Error 404: Not Found' in stderr

    def test_clone_existing_path_git_not_in_database_different_scm(
            self, rc_web_server, tmpdir, fs_repo_only):
        db_name = fs_repo_only('not-in-db-hg', repo_type='hg')
        clone_url = rc_web_server.repo_clone_url(db_name)
        stdout, stderr = Command('/tmp').execute(
            'git clone', clone_url, tmpdir.strpath)
        assert 'not found' in stderr

    def test_clone_non_existing_store_path_hg(self, rc_web_server, tmpdir, user_util):
        repo = user_util.create_repo()
        clone_url = rc_web_server.repo_clone_url(repo.repo_name)

        # Damage repo by removing it's folder
        RepoModel()._delete_filesystem_repo(repo)

        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'HTTP Error 404: Not Found' in stderr

    def test_clone_non_existing_store_path_git(self, rc_web_server, tmpdir, user_util):
        repo = user_util.create_repo(repo_type='git')
        clone_url = rc_web_server.repo_clone_url(repo.repo_name)

        # Damage repo by removing it's folder
        RepoModel()._delete_filesystem_repo(repo)

        stdout, stderr = Command('/tmp').execute(
            'git clone', clone_url, tmpdir.strpath)
        assert 'not found' in stderr

    def test_push_new_file_hg(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(HG_REPO)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)

        stdout, stderr = _add_files_and_push(
            'hg', tmpdir.strpath, clone_url=clone_url)

        assert 'pushing to' in stdout
        assert 'size summary' in stdout

    def test_push_new_file_git(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO)
        stdout, stderr = Command('/tmp').execute(
            'git clone', clone_url, tmpdir.strpath)

        # commit some stuff into this repo
        stdout, stderr = _add_files_and_push(
            'git', tmpdir.strpath, clone_url=clone_url)

        _check_proper_git_push(stdout, stderr)

    def test_push_invalidates_cache(self, rc_web_server, tmpdir):
        hg_repo = Repository.get_by_repo_name(HG_REPO)

        # init cache objects
        CacheKey.delete_all_cache()
        cache_namespace_uid = 'cache_push_test.{}'.format(hg_repo.repo_id)
        invalidation_namespace = CacheKey.REPO_INVALIDATION_NAMESPACE.format(
            repo_id=hg_repo.repo_id)

        inv_context_manager = rc_cache.InvalidationContext(
            uid=cache_namespace_uid, invalidation_namespace=invalidation_namespace)

        with inv_context_manager as invalidation_context:
            # __enter__ will create and register cache objects
            pass

        # clone to init cache
        clone_url = rc_web_server.repo_clone_url(hg_repo.repo_name)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)

        cache_keys = hg_repo.cache_keys
        assert cache_keys != []
        for key in cache_keys:
            assert key.cache_active is True

        # PUSH that should trigger invalidation cache
        stdout, stderr = _add_files_and_push(
            'hg', tmpdir.strpath, clone_url=clone_url, files_no=1)

        # flush...
        Session().commit()
        hg_repo = Repository.get_by_repo_name(HG_REPO)
        cache_keys = hg_repo.cache_keys
        assert cache_keys != []
        for key in cache_keys:
            # keys should be marked as not active
            assert key.cache_active is False

    def test_push_wrong_credentials_hg(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(HG_REPO)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)

        push_url = rc_web_server.repo_clone_url(
            HG_REPO, user='bad', passwd='name')
        stdout, stderr = _add_files_and_push(
            'hg', tmpdir.strpath, clone_url=push_url)

        assert 'abort: authorization failed' in stderr

    def test_push_wrong_credentials_git(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO)
        stdout, stderr = Command('/tmp').execute(
            'git clone', clone_url, tmpdir.strpath)

        push_url = rc_web_server.repo_clone_url(
            GIT_REPO, user='bad', passwd='name')
        stdout, stderr = _add_files_and_push(
            'git', tmpdir.strpath, clone_url=push_url)

        assert 'fatal: Authentication failed' in stderr

    def test_push_back_to_wrong_url_hg(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(HG_REPO)
        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)

        stdout, stderr = _add_files_and_push(
            'hg', tmpdir.strpath,
            clone_url=rc_web_server.repo_clone_url('not-existing'))

        assert 'HTTP Error 404: Not Found' in stderr

    def test_push_back_to_wrong_url_git(self, rc_web_server, tmpdir):
        clone_url = rc_web_server.repo_clone_url(GIT_REPO)
        stdout, stderr = Command('/tmp').execute(
            'git clone', clone_url, tmpdir.strpath)

        stdout, stderr = _add_files_and_push(
            'git', tmpdir.strpath,
            clone_url=rc_web_server.repo_clone_url('not-existing'))

        assert 'not found' in stderr

    def test_ip_restriction_hg(self, rc_web_server, tmpdir):
        user_model = UserModel()
        try:
            user_model.add_extra_ip(TEST_USER_ADMIN_LOGIN, '10.10.10.10/32')
            Session().commit()
            time.sleep(2)
            clone_url = rc_web_server.repo_clone_url(HG_REPO)
            stdout, stderr = Command('/tmp').execute(
                'hg clone', clone_url, tmpdir.strpath)
            assert 'abort: HTTP Error 403: Forbidden' in stderr
        finally:
            # release IP restrictions
            for ip in UserIpMap.getAll():
                UserIpMap.delete(ip.ip_id)
            Session().commit()

        time.sleep(2)

        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'hg')

    def test_ip_restriction_git(self, rc_web_server, tmpdir):
        user_model = UserModel()
        try:
            user_model.add_extra_ip(TEST_USER_ADMIN_LOGIN, '10.10.10.10/32')
            Session().commit()
            time.sleep(2)
            clone_url = rc_web_server.repo_clone_url(GIT_REPO)
            stdout, stderr = Command('/tmp').execute(
                'git clone', clone_url, tmpdir.strpath)
            msg = "The requested URL returned error: 403"
            assert msg in stderr
        finally:
            # release IP restrictions
            for ip in UserIpMap.getAll():
                UserIpMap.delete(ip.ip_id)
            Session().commit()

        time.sleep(2)

        cmd = Command('/tmp')
        stdout, stderr = cmd.execute('git clone', clone_url, tmpdir.strpath)
        cmd.assert_returncode_success()
        _check_proper_clone(stdout, stderr, 'git')

    def test_clone_by_auth_token(
            self, rc_web_server, tmpdir, user_util, enable_auth_plugins):
        enable_auth_plugins(['egg:rhodecode-enterprise-ce#token',
                             'egg:rhodecode-enterprise-ce#rhodecode'])

        user = user_util.create_user()
        token = user.auth_tokens[1]

        clone_url = rc_web_server.repo_clone_url(
            HG_REPO, user=user.username, passwd=token)

        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'hg')

    def test_clone_by_auth_token_expired(
            self, rc_web_server, tmpdir, user_util, enable_auth_plugins):
        enable_auth_plugins(['egg:rhodecode-enterprise-ce#token',
                             'egg:rhodecode-enterprise-ce#rhodecode'])

        user = user_util.create_user()
        auth_token = AuthTokenModel().create(
            user.user_id, 'test-token', -10, AuthTokenModel.cls.ROLE_VCS)
        token = auth_token.api_key

        clone_url = rc_web_server.repo_clone_url(
            HG_REPO, user=user.username, passwd=token)

        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'abort: authorization failed' in stderr

    def test_clone_by_auth_token_bad_role(
            self, rc_web_server, tmpdir, user_util, enable_auth_plugins):
        enable_auth_plugins(['egg:rhodecode-enterprise-ce#token',
                             'egg:rhodecode-enterprise-ce#rhodecode'])

        user = user_util.create_user()
        auth_token = AuthTokenModel().create(
            user.user_id, 'test-token', -1, AuthTokenModel.cls.ROLE_API)
        token = auth_token.api_key

        clone_url = rc_web_server.repo_clone_url(
            HG_REPO, user=user.username, passwd=token)

        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'abort: authorization failed' in stderr

    def test_clone_by_auth_token_user_disabled(
            self, rc_web_server, tmpdir, user_util, enable_auth_plugins):
        enable_auth_plugins(['egg:rhodecode-enterprise-ce#token',
                             'egg:rhodecode-enterprise-ce#rhodecode'])
        user = user_util.create_user()
        user.active = False
        Session().add(user)
        Session().commit()
        token = user.auth_tokens[1]

        clone_url = rc_web_server.repo_clone_url(
            HG_REPO, user=user.username, passwd=token)

        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'abort: authorization failed' in stderr

    def test_clone_by_auth_token_with_scope(
            self, rc_web_server, tmpdir, user_util, enable_auth_plugins):
        enable_auth_plugins(['egg:rhodecode-enterprise-ce#token',
                             'egg:rhodecode-enterprise-ce#rhodecode'])
        user = user_util.create_user()
        auth_token = AuthTokenModel().create(
            user.user_id, 'test-token', -1, AuthTokenModel.cls.ROLE_VCS)
        token = auth_token.api_key

        # manually set scope
        auth_token.repo = Repository.get_by_repo_name(HG_REPO)
        Session().add(auth_token)
        Session().commit()

        clone_url = rc_web_server.repo_clone_url(
            HG_REPO, user=user.username, passwd=token)

        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        _check_proper_clone(stdout, stderr, 'hg')

    def test_clone_by_auth_token_with_wrong_scope(
            self, rc_web_server, tmpdir, user_util, enable_auth_plugins):
        enable_auth_plugins(['egg:rhodecode-enterprise-ce#token',
                             'egg:rhodecode-enterprise-ce#rhodecode'])
        user = user_util.create_user()
        auth_token = AuthTokenModel().create(
            user.user_id, 'test-token', -1, AuthTokenModel.cls.ROLE_VCS)
        token = auth_token.api_key

        # manually set scope
        auth_token.repo = Repository.get_by_repo_name(GIT_REPO)
        Session().add(auth_token)
        Session().commit()

        clone_url = rc_web_server.repo_clone_url(
            HG_REPO, user=user.username, passwd=token)

        stdout, stderr = Command('/tmp').execute(
            'hg clone', clone_url, tmpdir.strpath)
        assert 'abort: authorization failed' in stderr