1 | import os |
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2 | import socket |
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3 | import sys |
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4 | from time import time |
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5 | from paste.script.appinstall import Installer as BaseInstaller |
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6 | from paste.fileapp import FileApp |
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7 | from paste import urlparser |
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8 | from paste import request |
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9 | from paste.httpexceptions import HTTPNotFound |
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10 | import urllib2 |
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11 | |
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12 | |
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13 | class PackageProxyApp(object): |
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14 | |
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15 | def __init__(self, index_url=None, pack_dir=None, username=None,password=None,realm=None): |
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16 | if not index_url: |
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17 | print "No repository index provided" |
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18 | sys.exit() |
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19 | if not pack_dir: |
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20 | print "No packages cache directory provided" |
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21 | sys.exit() |
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22 | if not os.path.isdir(pack_dir): |
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23 | print 'You must create the %r directory' % pack_dir |
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24 | sys.exit() |
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25 | if username and password: |
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26 | # authenticate |
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27 | password_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm() |
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28 | top_level_url = index_url |
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29 | password_mgr.add_password(realm, top_level_url, username, password) |
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30 | handler = urllib2.HTTPBasicAuthHandler(password_mgr) |
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31 | opener = urllib2.build_opener(handler) |
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32 | urllib2.install_opener(opener) |
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33 | self.index_url = index_url |
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34 | self.pack_dir = pack_dir |
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35 | |
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36 | def __call__(self, environ, start_response): |
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37 | """ serve the static files """ |
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38 | path = environ.get('PATH_INFO', '').strip() |
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39 | path_parts = path.split('/') |
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40 | if len(path_parts) > 1 and path_parts[1] == "favicon.ico": |
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41 | return HTTPNotFound()(environ, start_response) |
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42 | filename = self.checkCache(path[1:]) |
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43 | if filename is None: |
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44 | return HTTPNotFound()(environ, start_response) |
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45 | return FileApp(filename)(environ, start_response) |
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46 | |
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47 | def checkCache(self, path): |
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48 | """check if we already have the file and download it if not""" |
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49 | pth = self.pack_dir + path |
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50 | index =0 |
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51 | if not (path[-3:] in ['ico','txt','tgz','.gz','egg','zip','exe','cfg']): |
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52 | if not os.path.exists(pth): |
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53 | os.makedirs(pth) #create dir if it is not there |
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54 | # add index.html for supposedly folders |
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55 | pth = pth + 'index.html' |
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56 | index = 1 |
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57 | else: |
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58 | pth1 = '/'.join(pth.split('/')[:-1]) |
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59 | if not os.path.exists(pth): |
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60 | os.makedirs(pth1)#create parent dir if it is not there |
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61 | url = self.index_url+path |
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62 | #if we dont have download it |
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63 | if not os.path.exists(pth): |
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64 | f = urllib2.urlopen(url) |
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65 | lf = open(pth,'wb') |
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66 | lf.write(f.read()) |
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67 | lf.close() |
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68 | #if we have the index.html file if it is older the 1 hour update |
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69 | elif index and int(time()) - os.path.getmtime(pth) > 3600: |
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70 | f = urllib2.urlopen(url) |
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71 | lf = open(pth,'wb') |
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72 | lf.write(f.read()) |
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73 | lf.close() |
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74 | return pth |
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75 | |
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76 | def app_factory(global_config, **local_conf): |
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77 | # Grab config from wsgi .ini file. If not specified, config.py's values |
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78 | # take over. |
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79 | pack_dir = local_conf.get('pack_directory', None) |
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80 | index_url = local_conf.get('index', None) |
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81 | username = local_conf.get('username', None) |
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82 | password = local_conf.get('password', None) |
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83 | realm = local_conf.get('realm', None) |
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84 | return PackageProxyApp(index_url, pack_dir, username, password, realm) |
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85 | |
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86 | class StaticURLParser(urlparser.StaticURLParser): |
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87 | |
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88 | def __call__(self, environ, start_response): |
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89 | path_info = environ.get('PATH_INFO', '') |
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90 | if not path_info: |
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91 | return self.add_slash(environ, start_response) |
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92 | if path_info == '/': |
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93 | # @@: This should obviously be configurable |
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94 | filename = 'index.html' |
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95 | else: |
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96 | filename = request.path_info_pop(environ) |
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97 | full = os.path.normcase(os.path.normpath( |
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98 | os.path.join(self.directory, filename))) |
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99 | if os.path.sep != '/': |
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100 | full = full.replace('/', os.path.sep) |
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101 | if self.root_directory is not None and not full.startswith(self.root_directory): |
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102 | # Out of bounds |
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103 | return self.not_found(environ, start_response) |
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104 | if not os.path.exists(full): |
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105 | if full.endswith('index.html') and not os.path.isfile(full): |
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106 | start_response('200 OK', [('Content-Type', 'text/html')]) |
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107 | return [self.get_index_html()] |
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108 | return self.not_found(environ, start_response) |
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109 | if os.path.isdir(full): |
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110 | # @@: Cache? |
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111 | child_root = self.root_directory is not None and \ |
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112 | self.root_directory or self.directory |
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113 | return self.__class__(full, root_directory=child_root, |
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114 | cache_max_age=self.cache_max_age)(environ, |
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115 | start_response) |
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116 | if environ.get('PATH_INFO') and environ.get('PATH_INFO') != '/': |
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117 | return self.error_extra_path(environ, start_response) |
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118 | if_none_match = environ.get('HTTP_IF_NONE_MATCH') |
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119 | if if_none_match: |
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120 | mytime = os.stat(full).st_mtime |
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121 | if str(mytime) == if_none_match: |
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122 | headers = [] |
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123 | ETAG.update(headers, mytime) |
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124 | start_response('304 Not Modified', headers) |
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125 | return [''] # empty body |
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126 | |
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127 | fa = self.make_app(full) |
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128 | if self.cache_max_age: |
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129 | fa.cache_control(max_age=self.cache_max_age) |
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130 | return fa(environ, start_response) |
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131 | |
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132 | def get_index_html(self): |
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133 | path = self.directory |
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134 | # create sorted lists of directories and files |
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135 | names = [i for i in os.listdir(path) if not i.startswith('.')] |
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136 | dirs = [i for i in names if os.path.isdir(os.path.join(path, i))] |
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137 | dirs.sort() |
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138 | files = [i for i in names if os.path.isfile(os.path.join(path, i))] |
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139 | files.sort() |
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140 | names = dirs + files |
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141 | links = '\n'.join(['<li><a href="%s">%s</a></li>' % (i, i) for i in names]) |
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142 | template = open(os.path.join(os.path.dirname(__file__), 'index.html')).read() |
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143 | return template % {'path': path[len(self.root_directory):], 'links': links} |
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144 | |
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145 | def make_static(global_conf, document_root, cache_max_age=None): |
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146 | """ |
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147 | Return a WSGI application that serves a directory (configured |
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148 | with document_root) |
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149 | |
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150 | cache_max_age - integer specifies CACHE_CONTROL max_age in seconds |
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151 | """ |
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152 | if cache_max_age is not None: |
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153 | cache_max_age = int(cache_max_age) |
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154 | return StaticURLParser( |
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155 | document_root, cache_max_age=cache_max_age) |
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156 | |
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157 | |
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158 | """ |
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159 | class Installer(BaseInstaller): |
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160 | use_cheetah = False |
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161 | config_file = 'deployment.ini_tmpl' |
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162 | |
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163 | def config_content(self, command, vars): |
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164 | import pkg_resources |
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165 | module = 'collective.eggproxy' |
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166 | if pkg_resources.resource_exists(module, self.config_file): |
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167 | return self.template_renderer( |
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168 | pkg_resources.resource_string(module, self.config_file), |
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169 | vars, |
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170 | filename=self.config_file) |
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171 | """ |
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