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1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 |
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2 | |||
3 | # Copyright (C) 2010-2016 RhodeCode GmbH |
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3 | # Copyright (C) 2010-2016 RhodeCode GmbH | |
4 | # |
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4 | # | |
5 | # This program is free software: you can redistribute it and/or modify |
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5 | # This program is free software: you can redistribute it and/or modify | |
6 | # it under the terms of the GNU Affero General Public License, version 3 |
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6 | # it under the terms of the GNU Affero General Public License, version 3 | |
7 | # (only), as published by the Free Software Foundation. |
|
7 | # (only), as published by the Free Software Foundation. | |
8 | # |
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8 | # | |
9 | # This program is distributed in the hope that it will be useful, |
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9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. |
|
12 | # GNU General Public License for more details. | |
13 | # |
|
13 | # | |
14 | # You should have received a copy of the GNU Affero General Public License |
|
14 | # You should have received a copy of the GNU Affero General Public License | |
15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | # |
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16 | # | |
17 | # This program is dual-licensed. If you wish to learn more about the |
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17 | # This program is dual-licensed. If you wish to learn more about the | |
18 | # RhodeCode Enterprise Edition, including its added features, Support services, |
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18 | # RhodeCode Enterprise Edition, including its added features, Support services, | |
19 | # and proprietary license terms, please see https://rhodecode.com/licenses/ |
|
19 | # and proprietary license terms, please see https://rhodecode.com/licenses/ | |
20 |
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20 | |||
21 | import gzip |
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21 | import gzip | |
22 | import re |
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23 | import shutil |
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22 | import shutil | |
24 | import logging |
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23 | import logging | |
25 | import tempfile |
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24 | import tempfile | |
26 | import urlparse |
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25 | import urlparse | |
27 |
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26 | |||
28 | from webob.exc import HTTPNotFound |
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27 | from webob.exc import HTTPNotFound | |
29 |
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28 | |||
30 | import rhodecode |
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29 | import rhodecode | |
31 | from rhodecode.lib.middleware.appenlight import wrap_in_appenlight_if_enabled |
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30 | from rhodecode.lib.middleware.appenlight import wrap_in_appenlight_if_enabled | |
32 | from rhodecode.lib.middleware.simplegit import SimpleGit, GIT_PROTO_PAT |
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31 | from rhodecode.lib.middleware.simplegit import SimpleGit, GIT_PROTO_PAT | |
33 | from rhodecode.lib.middleware.simplehg import SimpleHg |
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32 | from rhodecode.lib.middleware.simplehg import SimpleHg | |
34 | from rhodecode.lib.middleware.simplesvn import SimpleSvn |
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33 | from rhodecode.lib.middleware.simplesvn import SimpleSvn | |
35 | from rhodecode.model.settings import VcsSettingsModel |
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34 | from rhodecode.model.settings import VcsSettingsModel | |
36 |
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35 | |||
37 | log = logging.getLogger(__name__) |
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36 | log = logging.getLogger(__name__) | |
38 |
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37 | |||
39 |
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38 | |||
40 | def is_git(environ): |
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39 | def is_git(environ): | |
41 | """ |
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40 | """ | |
42 | Returns True if requests should be handled by GIT wsgi middleware |
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41 | Returns True if requests should be handled by GIT wsgi middleware | |
43 | """ |
|
42 | """ | |
44 | is_git_path = GIT_PROTO_PAT.match(environ['PATH_INFO']) |
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43 | is_git_path = GIT_PROTO_PAT.match(environ['PATH_INFO']) | |
45 | log.debug( |
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44 | log.debug( | |
46 | 'request path: `%s` detected as GIT PROTOCOL %s', environ['PATH_INFO'], |
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45 | 'request path: `%s` detected as GIT PROTOCOL %s', environ['PATH_INFO'], | |
47 | is_git_path is not None) |
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46 | is_git_path is not None) | |
48 |
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47 | |||
49 | return is_git_path |
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48 | return is_git_path | |
50 |
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49 | |||
51 |
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50 | |||
52 | def is_hg(environ): |
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51 | def is_hg(environ): | |
53 | """ |
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52 | """ | |
54 | Returns True if requests target is mercurial server - header |
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53 | Returns True if requests target is mercurial server - header | |
55 | ``HTTP_ACCEPT`` of such request would start with ``application/mercurial``. |
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54 | ``HTTP_ACCEPT`` of such request would start with ``application/mercurial``. | |
56 | """ |
|
55 | """ | |
57 | is_hg_path = False |
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56 | is_hg_path = False | |
58 |
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57 | |||
59 | http_accept = environ.get('HTTP_ACCEPT') |
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58 | http_accept = environ.get('HTTP_ACCEPT') | |
60 |
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59 | |||
61 | if http_accept and http_accept.startswith('application/mercurial'): |
|
60 | if http_accept and http_accept.startswith('application/mercurial'): | |
62 | query = urlparse.parse_qs(environ['QUERY_STRING']) |
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61 | query = urlparse.parse_qs(environ['QUERY_STRING']) | |
63 | if 'cmd' in query: |
|
62 | if 'cmd' in query: | |
64 | is_hg_path = True |
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63 | is_hg_path = True | |
65 |
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64 | |||
66 | log.debug( |
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65 | log.debug( | |
67 | 'request path: `%s` detected as HG PROTOCOL %s', environ['PATH_INFO'], |
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66 | 'request path: `%s` detected as HG PROTOCOL %s', environ['PATH_INFO'], | |
68 | is_hg_path) |
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67 | is_hg_path) | |
69 |
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68 | |||
70 | return is_hg_path |
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69 | return is_hg_path | |
71 |
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70 | |||
72 |
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71 | |||
73 | def is_svn(environ): |
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72 | def is_svn(environ): | |
74 | """ |
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73 | """ | |
75 | Returns True if requests target is Subversion server |
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74 | Returns True if requests target is Subversion server | |
76 | """ |
|
75 | """ | |
77 | http_dav = environ.get('HTTP_DAV', '') |
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76 | http_dav = environ.get('HTTP_DAV', '') | |
78 | magic_path_segment = rhodecode.CONFIG.get( |
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77 | magic_path_segment = rhodecode.CONFIG.get( | |
79 | 'rhodecode_subversion_magic_path', '/!svn') |
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78 | 'rhodecode_subversion_magic_path', '/!svn') | |
80 | is_svn_path = ( |
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79 | is_svn_path = ( | |
81 | 'subversion' in http_dav or |
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80 | 'subversion' in http_dav or | |
82 | magic_path_segment in environ['PATH_INFO']) |
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81 | magic_path_segment in environ['PATH_INFO']) | |
83 | log.debug( |
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82 | log.debug( | |
84 | 'request path: `%s` detected as SVN PROTOCOL %s', environ['PATH_INFO'], |
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83 | 'request path: `%s` detected as SVN PROTOCOL %s', environ['PATH_INFO'], | |
85 | is_svn_path) |
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84 | is_svn_path) | |
86 |
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85 | |||
87 | return is_svn_path |
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86 | return is_svn_path | |
88 |
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87 | |||
89 |
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88 | |||
90 | class GunzipMiddleware(object): |
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89 | class GunzipMiddleware(object): | |
91 | """ |
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90 | """ | |
92 | WSGI middleware that unzips gzip-encoded requests before |
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91 | WSGI middleware that unzips gzip-encoded requests before | |
93 | passing on to the underlying application. |
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92 | passing on to the underlying application. | |
94 | """ |
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93 | """ | |
95 |
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94 | |||
96 | def __init__(self, application): |
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95 | def __init__(self, application): | |
97 | self.app = application |
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96 | self.app = application | |
98 |
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97 | |||
99 | def __call__(self, environ, start_response): |
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98 | def __call__(self, environ, start_response): | |
100 | accepts_encoding_header = environ.get('HTTP_CONTENT_ENCODING', b'') |
|
99 | accepts_encoding_header = environ.get('HTTP_CONTENT_ENCODING', b'') | |
101 |
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100 | |||
102 | if b'gzip' in accepts_encoding_header: |
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101 | if b'gzip' in accepts_encoding_header: | |
103 | log.debug('gzip detected, now running gunzip wrapper') |
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102 | log.debug('gzip detected, now running gunzip wrapper') | |
104 | wsgi_input = environ['wsgi.input'] |
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103 | wsgi_input = environ['wsgi.input'] | |
105 |
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104 | |||
106 | if not hasattr(environ['wsgi.input'], 'seek'): |
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105 | if not hasattr(environ['wsgi.input'], 'seek'): | |
107 | # The gzip implementation in the standard library of Python 2.x |
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106 | # The gzip implementation in the standard library of Python 2.x | |
108 | # requires the '.seek()' and '.tell()' methods to be available |
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107 | # requires the '.seek()' and '.tell()' methods to be available | |
109 | # on the input stream. Read the data into a temporary file to |
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108 | # on the input stream. Read the data into a temporary file to | |
110 | # work around this limitation. |
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109 | # work around this limitation. | |
111 |
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110 | |||
112 | wsgi_input = tempfile.SpooledTemporaryFile(64 * 1024 * 1024) |
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111 | wsgi_input = tempfile.SpooledTemporaryFile(64 * 1024 * 1024) | |
113 | shutil.copyfileobj(environ['wsgi.input'], wsgi_input) |
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112 | shutil.copyfileobj(environ['wsgi.input'], wsgi_input) | |
114 | wsgi_input.seek(0) |
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113 | wsgi_input.seek(0) | |
115 |
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114 | |||
116 | environ['wsgi.input'] = gzip.GzipFile(fileobj=wsgi_input, mode='r') |
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115 | environ['wsgi.input'] = gzip.GzipFile(fileobj=wsgi_input, mode='r') | |
117 | # since we "Ungzipped" the content we say now it's no longer gzip |
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116 | # since we "Ungzipped" the content we say now it's no longer gzip | |
118 | # content encoding |
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117 | # content encoding | |
119 | del environ['HTTP_CONTENT_ENCODING'] |
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118 | del environ['HTTP_CONTENT_ENCODING'] | |
120 |
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119 | |||
121 | # content length has changes ? or i'm not sure |
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120 | # content length has changes ? or i'm not sure | |
122 | if 'CONTENT_LENGTH' in environ: |
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121 | if 'CONTENT_LENGTH' in environ: | |
123 | del environ['CONTENT_LENGTH'] |
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122 | del environ['CONTENT_LENGTH'] | |
124 | else: |
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123 | else: | |
125 | log.debug('content not gzipped, gzipMiddleware passing ' |
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124 | log.debug('content not gzipped, gzipMiddleware passing ' | |
126 | 'request further') |
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125 | 'request further') | |
127 | return self.app(environ, start_response) |
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126 | return self.app(environ, start_response) | |
128 |
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127 | |||
129 |
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128 | |||
130 | class VCSMiddleware(object): |
|
129 | class VCSMiddleware(object): | |
131 |
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130 | |||
132 | def __init__(self, app, config, appenlight_client, registry): |
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131 | def __init__(self, app, config, appenlight_client, registry): | |
133 | self.application = app |
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132 | self.application = app | |
134 | self.config = config |
|
133 | self.config = config | |
135 | self.appenlight_client = appenlight_client |
|
134 | self.appenlight_client = appenlight_client | |
136 | self.registry = registry |
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135 | self.registry = registry | |
137 | self.use_gzip = True |
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136 | self.use_gzip = True | |
138 | # order in which we check the middlewares, based on vcs.backends config |
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137 | # order in which we check the middlewares, based on vcs.backends config | |
139 | self.check_middlewares = config['vcs.backends'] |
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138 | self.check_middlewares = config['vcs.backends'] | |
140 | self.checks = { |
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139 | self.checks = { | |
141 | 'hg': (is_hg, SimpleHg), |
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140 | 'hg': (is_hg, SimpleHg), | |
142 | 'git': (is_git, SimpleGit), |
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141 | 'git': (is_git, SimpleGit), | |
143 | 'svn': (is_svn, SimpleSvn), |
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142 | 'svn': (is_svn, SimpleSvn), | |
144 | } |
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143 | } | |
145 |
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144 | |||
146 | def vcs_config(self, repo_name=None): |
|
145 | def vcs_config(self, repo_name=None): | |
147 | """ |
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146 | """ | |
148 | returns serialized VcsSettings |
|
147 | returns serialized VcsSettings | |
149 | """ |
|
148 | """ | |
150 | return VcsSettingsModel(repo=repo_name).get_ui_settings_as_config_obj() |
|
149 | return VcsSettingsModel(repo=repo_name).get_ui_settings_as_config_obj() | |
151 |
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150 | |||
152 | def wrap_in_gzip_if_enabled(self, app, config): |
|
151 | def wrap_in_gzip_if_enabled(self, app, config): | |
153 | if self.use_gzip: |
|
152 | if self.use_gzip: | |
154 | app = GunzipMiddleware(app) |
|
153 | app = GunzipMiddleware(app) | |
155 | return app |
|
154 | return app | |
156 |
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155 | |||
157 | def _get_handler_app(self, environ): |
|
156 | def _get_handler_app(self, environ): | |
158 | app = None |
|
157 | app = None | |
159 | log.debug('Checking vcs types in order: %r', self.check_middlewares) |
|
158 | log.debug('Checking vcs types in order: %r', self.check_middlewares) | |
160 | for vcs_type in self.check_middlewares: |
|
159 | for vcs_type in self.check_middlewares: | |
161 | vcs_check, handler = self.checks[vcs_type] |
|
160 | vcs_check, handler = self.checks[vcs_type] | |
162 | if vcs_check(environ): |
|
161 | if vcs_check(environ): | |
163 | log.debug( |
|
162 | log.debug( | |
164 | 'Found VCS Middleware to handle the request %s', handler) |
|
163 | 'Found VCS Middleware to handle the request %s', handler) | |
165 | app = handler(self.application, self.config, self.registry) |
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164 | app = handler(self.application, self.config, self.registry) | |
166 | break |
|
165 | break | |
167 |
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166 | |||
168 | return app |
|
167 | return app | |
169 |
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168 | |||
170 | def __call__(self, environ, start_response): |
|
169 | def __call__(self, environ, start_response): | |
171 | # check if we handle one of interesting protocols, optionally extract |
|
170 | # check if we handle one of interesting protocols, optionally extract | |
172 | # specific vcsSettings and allow changes of how things are wrapped |
|
171 | # specific vcsSettings and allow changes of how things are wrapped | |
173 | vcs_handler = self._get_handler_app(environ) |
|
172 | vcs_handler = self._get_handler_app(environ) | |
174 | if vcs_handler: |
|
173 | if vcs_handler: | |
175 | # translate the _REPO_ID into real repo NAME for usage |
|
174 | # translate the _REPO_ID into real repo NAME for usage | |
176 | # in middleware |
|
175 | # in middleware | |
177 | environ['PATH_INFO'] = vcs_handler._get_by_id(environ['PATH_INFO']) |
|
176 | environ['PATH_INFO'] = vcs_handler._get_by_id(environ['PATH_INFO']) | |
178 |
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177 | |||
179 | # Set repo names for permission checks, vcs and web interaction. |
|
178 | # Set repo names for permission checks, vcs and web interaction. | |
180 | vcs_handler.set_repo_names(environ) |
|
179 | vcs_handler.set_repo_names(environ) | |
181 | log.debug('repo_names %s', { |
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182 | 'acl_repo_name': vcs_handler.acl_repo_name, |
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183 | 'vcs_repo_name': vcs_handler.vcs_repo_name, |
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184 | 'url_repo_name': vcs_handler.url_repo_name, |
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185 | }) |
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186 | log.debug('pull_request %s', vcs_handler.pr_id) |
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187 |
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180 | |||
188 | # check for type, presence in database and on filesystem |
|
181 | # check for type, presence in database and on filesystem | |
189 | if not vcs_handler.is_valid_and_existing_repo( |
|
182 | if not vcs_handler.is_valid_and_existing_repo( | |
190 | vcs_handler.acl_repo_name, |
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183 | vcs_handler.acl_repo_name, | |
191 | vcs_handler.basepath, |
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184 | vcs_handler.basepath, | |
192 | vcs_handler.SCM): |
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185 | vcs_handler.SCM): | |
193 | return HTTPNotFound()(environ, start_response) |
|
186 | return HTTPNotFound()(environ, start_response) | |
194 |
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187 | |||
195 | # TODO: johbo: Needed for the Pyro4 backend and Mercurial only. |
|
188 | # TODO: johbo: Needed for the Pyro4 backend and Mercurial only. | |
196 | # Remove once we fully switched to the HTTP backend. |
|
189 | # Remove once we fully switched to the HTTP backend. | |
197 | environ['REPO_NAME'] = vcs_handler.url_repo_name |
|
190 | environ['REPO_NAME'] = vcs_handler.url_repo_name | |
198 |
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191 | |||
199 | # register repo config back to the handler |
|
192 | # register repo config back to the handler | |
200 | vcs_handler.repo_vcs_config = self.vcs_config( |
|
193 | vcs_handler.repo_vcs_config = self.vcs_config( | |
201 | vcs_handler.acl_repo_name) |
|
194 | vcs_handler.acl_repo_name) | |
202 |
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195 | |||
203 | # Wrap handler in middlewares if they are enabled. |
|
196 | # Wrap handler in middlewares if they are enabled. | |
204 | vcs_handler = self.wrap_in_gzip_if_enabled( |
|
197 | vcs_handler = self.wrap_in_gzip_if_enabled( | |
205 | vcs_handler, self.config) |
|
198 | vcs_handler, self.config) | |
206 | vcs_handler, _ = wrap_in_appenlight_if_enabled( |
|
199 | vcs_handler, _ = wrap_in_appenlight_if_enabled( | |
207 | vcs_handler, self.config, self.appenlight_client) |
|
200 | vcs_handler, self.config, self.appenlight_client) | |
208 |
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201 | |||
209 | return vcs_handler(environ, start_response) |
|
202 | return vcs_handler(environ, start_response) | |
210 |
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203 | |||
211 | return self.application(environ, start_response) |
|
204 | return self.application(environ, start_response) |
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