1 | #!/usr/bin/python |
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2 | """Main CGI script for web interface""" |
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3 | |
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4 | import base64 |
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5 | import cPickle |
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6 | import cgi |
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7 | import datetime |
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8 | import hmac |
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9 | import os |
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10 | import sha |
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11 | import simplejson |
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12 | import sys |
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13 | import time |
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14 | from StringIO import StringIO |
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15 | |
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16 | |
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17 | def revertStandardError(): |
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18 | """Move stderr to stdout, and return the contents of the old stderr.""" |
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19 | errio = sys.stderr |
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20 | if not isinstance(errio, StringIO): |
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21 | return None |
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22 | sys.stderr = sys.stdout |
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23 | errio.seek(0) |
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24 | return errio.read() |
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25 | |
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26 | def printError(): |
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27 | """Revert stderr to stdout, and print the contents of stderr""" |
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28 | if isinstance(sys.stderr, StringIO): |
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29 | print revertStandardError() |
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30 | |
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31 | if __name__ == '__main__': |
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32 | import atexit |
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33 | atexit.register(printError) |
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34 | sys.stderr = StringIO() |
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35 | |
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36 | sys.path.append('/home/ecprice/.local/lib/python2.5/site-packages') |
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37 | |
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38 | from Cheetah.Template import Template |
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39 | from sipb_xen_database import Machine, CDROM, ctx, connect |
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40 | import validation |
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41 | from webcommon import InvalidInput, CodeError, g |
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42 | import controls |
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43 | |
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44 | def helppopup(subj): |
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45 | """Return HTML code for a (?) link to a specified help topic""" |
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46 | return ('<span class="helplink"><a href="help?subject=' + subj + |
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47 | '&simple=true" target="_blank" ' + |
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48 | 'onclick="return helppopup(\'' + subj + '\')">(?)</a></span>') |
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49 | |
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50 | class User: |
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51 | """User class (sort of useless, I admit)""" |
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52 | def __init__(self, username, email): |
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53 | self.username = username |
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54 | self.email = email |
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55 | |
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56 | def makeErrorPre(old, addition): |
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57 | if addition is None: |
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58 | return |
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59 | if old: |
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60 | return old[:-6] + '\n----\n' + str(addition) + '</pre>' |
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61 | else: |
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62 | return '<p>STDERR:</p><pre>' + str(addition) + '</pre>' |
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63 | |
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64 | Template.helppopup = staticmethod(helppopup) |
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65 | Template.err = None |
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66 | |
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67 | class JsonDict: |
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68 | """Class to store a dictionary that will be converted to JSON""" |
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69 | def __init__(self, **kws): |
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70 | self.data = kws |
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71 | if 'err' in kws: |
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72 | err = kws['err'] |
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73 | del kws['err'] |
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74 | self.addError(err) |
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75 | |
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76 | def __str__(self): |
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77 | return simplejson.dumps(self.data) |
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78 | |
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79 | def addError(self, text): |
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80 | """Add stderr text to be displayed on the website.""" |
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81 | self.data['err'] = \ |
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82 | makeErrorPre(self.data.get('err'), text) |
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83 | |
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84 | class Defaults: |
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85 | """Class to store default values for fields.""" |
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86 | memory = 256 |
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87 | disk = 4.0 |
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88 | cdrom = '' |
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89 | name = '' |
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90 | vmtype = 'hvm' |
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91 | def __init__(self, max_memory=None, max_disk=None, **kws): |
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92 | if max_memory is not None: |
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93 | self.memory = min(self.memory, max_memory) |
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94 | if max_disk is not None: |
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95 | self.max_disk = min(self.disk, max_disk) |
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96 | for key in kws: |
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97 | setattr(self, key, kws[key]) |
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98 | |
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99 | |
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100 | |
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101 | DEFAULT_HEADERS = {'Content-Type': 'text/html'} |
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102 | |
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103 | def error(op, user, fields, err, emsg): |
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104 | """Print an error page when a CodeError occurs""" |
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105 | d = dict(op=op, user=user, errorMessage=str(err), |
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106 | stderr=emsg) |
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107 | return Template(file='error.tmpl', searchList=[d]) |
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108 | |
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109 | def invalidInput(op, user, fields, err, emsg): |
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110 | """Print an error page when an InvalidInput exception occurs""" |
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111 | d = dict(op=op, user=user, err_field=err.err_field, |
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112 | err_value=str(err.err_value), stderr=emsg, |
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113 | errorMessage=str(err)) |
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114 | return Template(file='invalid.tmpl', searchList=[d]) |
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115 | |
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116 | def hasVnc(status): |
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117 | """Does the machine with a given status list support VNC?""" |
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118 | if status is None: |
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119 | return False |
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120 | for l in status: |
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121 | if l[0] == 'device' and l[1][0] == 'vfb': |
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122 | d = dict(l[1][1:]) |
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123 | return 'location' in d |
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124 | return False |
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125 | |
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126 | def parseCreate(user, fields): |
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127 | name = fields.getfirst('name') |
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128 | if not validation.validMachineName(name): |
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129 | raise InvalidInput('name', name, 'You must provide a machine name.') |
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130 | name = name.lower() |
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131 | |
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132 | if Machine.get_by(name=name): |
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133 | raise InvalidInput('name', name, |
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134 | "Name already exists.") |
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135 | |
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136 | memory = fields.getfirst('memory') |
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137 | memory = validation.validMemory(user, memory, on=True) |
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138 | |
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139 | disk = fields.getfirst('disk') |
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140 | disk = validation.validDisk(user, disk) |
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141 | |
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142 | vm_type = fields.getfirst('vmtype') |
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143 | if vm_type not in ('hvm', 'paravm'): |
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144 | raise CodeError("Invalid vm type '%s'" % vm_type) |
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145 | is_hvm = (vm_type == 'hvm') |
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146 | |
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147 | cdrom = fields.getfirst('cdrom') |
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148 | if cdrom is not None and not CDROM.get(cdrom): |
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149 | raise CodeError("Invalid cdrom type '%s'" % cdrom) |
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150 | return dict(user=user, name=name, memory=memory, disk=disk, |
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151 | is_hvm=is_hvm, cdrom=cdrom) |
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152 | |
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153 | def create(user, fields): |
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154 | """Handler for create requests.""" |
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155 | try: |
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156 | parsed_fields = parseCreate(user, fields) |
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157 | machine = controls.createVm(**parsed_fields) |
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158 | except InvalidInput, err: |
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159 | pass |
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160 | else: |
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161 | err = None |
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162 | g.clear() #Changed global state |
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163 | d = getListDict(user) |
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164 | d['err'] = err |
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165 | if err: |
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166 | for field in fields.keys(): |
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167 | setattr(d['defaults'], field, fields.getfirst(field)) |
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168 | else: |
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169 | d['new_machine'] = parsed_fields['name'] |
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170 | return Template(file='list.tmpl', searchList=[d]) |
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171 | |
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172 | |
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173 | def getListDict(user): |
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174 | machines = [m for m in Machine.select() |
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175 | if validation.haveAccess(user, m)] |
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176 | on = {} |
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177 | has_vnc = {} |
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178 | on = g.uptimes |
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179 | for m in machines: |
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180 | m.uptime = g.uptimes.get(m) |
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181 | if not on[m]: |
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182 | has_vnc[m] = 'Off' |
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183 | elif m.type.hvm: |
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184 | has_vnc[m] = True |
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185 | else: |
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186 | has_vnc[m] = "ParaVM"+helppopup("paravm_console") |
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187 | max_memory = validation.maxMemory(user) |
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188 | max_disk = validation.maxDisk(user) |
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189 | defaults = Defaults(max_memory=max_memory, |
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190 | max_disk=max_disk, |
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191 | cdrom='gutsy-i386') |
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192 | d = dict(user=user, |
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193 | cant_add_vm=validation.cantAddVm(user), |
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194 | max_memory=max_memory, |
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195 | max_disk=max_disk, |
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196 | defaults=defaults, |
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197 | machines=machines, |
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198 | has_vnc=has_vnc, |
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199 | uptimes=g.uptimes, |
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200 | cdroms=CDROM.select()) |
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201 | return d |
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202 | |
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203 | def listVms(user, fields): |
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204 | """Handler for list requests.""" |
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205 | d = getListDict(user) |
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206 | return Template(file='list.tmpl', searchList=[d]) |
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207 | |
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208 | def vnc(user, fields): |
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209 | """VNC applet page. |
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210 | |
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211 | Note that due to same-domain restrictions, the applet connects to |
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212 | the webserver, which needs to forward those requests to the xen |
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213 | server. The Xen server runs another proxy that (1) authenticates |
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214 | and (2) finds the correct port for the VM. |
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215 | |
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216 | You might want iptables like: |
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217 | |
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218 | -t nat -A PREROUTING -s ! 18.181.0.60 -i eth1 -p tcp -m tcp \ |
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219 | --dport 10003 -j DNAT --to-destination 18.181.0.60:10003 |
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220 | -t nat -A POSTROUTING -d 18.181.0.60 -o eth1 -p tcp -m tcp \ |
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221 | --dport 10003 -j SNAT --to-source 18.187.7.142 |
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222 | -A FORWARD -d 18.181.0.60 -i eth1 -o eth1 -p tcp -m tcp \ |
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223 | --dport 10003 -j ACCEPT |
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224 | |
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225 | Remember to enable iptables! |
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226 | echo 1 > /proc/sys/net/ipv4/ip_forward |
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227 | """ |
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228 | machine = validation.testMachineId(user, fields.getfirst('machine_id')) |
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229 | |
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230 | TOKEN_KEY = "0M6W0U1IXexThi5idy8mnkqPKEq1LtEnlK/pZSn0cDrN" |
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231 | |
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232 | data = {} |
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233 | data["user"] = user.username |
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234 | data["machine"] = machine.name |
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235 | data["expires"] = time.time()+(5*60) |
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236 | pickled_data = cPickle.dumps(data) |
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237 | m = hmac.new(TOKEN_KEY, digestmod=sha) |
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238 | m.update(pickled_data) |
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239 | token = {'data': pickled_data, 'digest': m.digest()} |
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240 | token = cPickle.dumps(token) |
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241 | token = base64.urlsafe_b64encode(token) |
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242 | |
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243 | status = controls.statusInfo(machine) |
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244 | has_vnc = hasVnc(status) |
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245 | |
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246 | d = dict(user=user, |
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247 | on=status, |
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248 | has_vnc=has_vnc, |
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249 | machine=machine, |
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250 | hostname=os.environ.get('SERVER_NAME', 'localhost'), |
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251 | authtoken=token) |
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252 | return Template(file='vnc.tmpl', searchList=[d]) |
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253 | |
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254 | def getNicInfo(data_dict, machine): |
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255 | """Helper function for info, get data on nics for a machine. |
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256 | |
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257 | Modifies data_dict to include the relevant data, and returns a list |
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258 | of (key, name) pairs to display "name: data_dict[key]" to the user. |
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259 | """ |
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260 | data_dict['num_nics'] = len(machine.nics) |
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261 | nic_fields_template = [('nic%s_hostname', 'NIC %s Hostname'), |
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262 | ('nic%s_mac', 'NIC %s MAC Addr'), |
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263 | ('nic%s_ip', 'NIC %s IP'), |
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264 | ] |
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265 | nic_fields = [] |
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266 | for i in range(len(machine.nics)): |
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267 | nic_fields.extend([(x % i, y % i) for x, y in nic_fields_template]) |
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268 | if not i: |
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269 | data_dict['nic%s_hostname' % i] = (machine.name + |
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270 | '.servers.csail.mit.edu') |
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271 | data_dict['nic%s_mac' % i] = machine.nics[i].mac_addr |
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272 | data_dict['nic%s_ip' % i] = machine.nics[i].ip |
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273 | if len(machine.nics) == 1: |
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274 | nic_fields = [(x, y.replace('NIC 0 ', '')) for x, y in nic_fields] |
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275 | return nic_fields |
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276 | |
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277 | def getDiskInfo(data_dict, machine): |
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278 | """Helper function for info, get data on disks for a machine. |
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279 | |
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280 | Modifies data_dict to include the relevant data, and returns a list |
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281 | of (key, name) pairs to display "name: data_dict[key]" to the user. |
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282 | """ |
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283 | data_dict['num_disks'] = len(machine.disks) |
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284 | disk_fields_template = [('%s_size', '%s size')] |
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285 | disk_fields = [] |
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286 | for disk in machine.disks: |
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287 | name = disk.guest_device_name |
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288 | disk_fields.extend([(x % name, y % name) for x, y in |
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289 | disk_fields_template]) |
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290 | data_dict['%s_size' % name] = "%0.1f GiB" % (disk.size / 1024.) |
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291 | return disk_fields |
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292 | |
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293 | def command(user, fields): |
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294 | """Handler for running commands like boot and delete on a VM.""" |
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295 | back = fields.getfirst('back') |
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296 | try: |
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297 | d = controls.commandResult(user, fields) |
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298 | if d['command'] == 'Delete VM': |
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299 | back = 'list' |
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300 | except InvalidInput, err: |
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301 | if not back: |
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302 | raise |
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303 | print >> sys.stderr, err |
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304 | result = None |
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305 | else: |
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306 | result = 'Success!' |
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307 | if not back: |
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308 | return Template(file='command.tmpl', searchList=[d]) |
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309 | if back == 'list': |
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310 | g.clear() #Changed global state |
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311 | d = getListDict(user) |
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312 | d['result'] = result |
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313 | return Template(file='list.tmpl', searchList=[d]) |
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314 | elif back == 'info': |
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315 | machine = validation.testMachineId(user, fields.getfirst('machine_id')) |
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316 | d = infoDict(user, machine) |
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317 | d['result'] = result |
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318 | return Template(file='info.tmpl', searchList=[d]) |
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319 | else: |
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320 | raise InvalidInput('back', back, 'Not a known back page.') |
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321 | |
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322 | def modifyDict(user, fields): |
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323 | olddisk = {} |
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324 | transaction = ctx.current.create_transaction() |
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325 | try: |
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326 | machine = validation.testMachineId(user, fields.getfirst('machine_id')) |
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327 | owner = validation.testOwner(user, fields.getfirst('owner'), machine) |
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328 | admin = validation.testAdmin(user, fields.getfirst('administrator'), |
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329 | machine) |
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330 | contact = validation.testContact(user, fields.getfirst('contact'), |
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331 | machine) |
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332 | name = validation.testName(user, fields.getfirst('name'), machine) |
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333 | oldname = machine.name |
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334 | command = "modify" |
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335 | |
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336 | memory = fields.getfirst('memory') |
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337 | if memory is not None: |
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338 | memory = validation.validMemory(user, memory, machine, on=False) |
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339 | machine.memory = memory |
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340 | |
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341 | disksize = validation.testDisk(user, fields.getfirst('disk')) |
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342 | if disksize is not None: |
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343 | disksize = validation.validDisk(user, disksize, machine) |
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344 | disk = machine.disks[0] |
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345 | if disk.size != disksize: |
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346 | olddisk[disk.guest_device_name] = disksize |
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347 | disk.size = disksize |
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348 | ctx.current.save(disk) |
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349 | |
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350 | if owner is not None: |
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351 | machine.owner = owner |
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352 | if name is not None: |
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353 | machine.name = name |
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354 | if admin is not None: |
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355 | machine.administrator = admin |
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356 | if contact is not None: |
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357 | machine.contact = contact |
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358 | |
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359 | ctx.current.save(machine) |
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360 | transaction.commit() |
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361 | except: |
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362 | transaction.rollback() |
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363 | raise |
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364 | for diskname in olddisk: |
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365 | controls.resizeDisk(oldname, diskname, str(olddisk[diskname])) |
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366 | if name is not None: |
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367 | controls.renameMachine(machine, oldname, name) |
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368 | return dict(user=user, |
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369 | command=command, |
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370 | machine=machine) |
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371 | |
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372 | def modify(user, fields): |
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373 | """Handler for modifying attributes of a machine.""" |
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374 | try: |
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375 | modify_dict = modifyDict(user, fields) |
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376 | except InvalidInput, err: |
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377 | result = None |
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378 | machine = validation.testMachineId(user, fields.getfirst('machine_id')) |
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379 | else: |
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380 | machine = modify_dict['machine'] |
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381 | result = 'Success!' |
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382 | err = None |
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383 | info_dict = infoDict(user, machine) |
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384 | info_dict['err'] = err |
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385 | if err: |
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386 | for field in fields.keys(): |
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387 | setattr(info_dict['defaults'], field, fields.getfirst(field)) |
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388 | info_dict['result'] = result |
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389 | return Template(file='info.tmpl', searchList=[info_dict]) |
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390 | |
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391 | |
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392 | def helpHandler(user, fields): |
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393 | """Handler for help messages.""" |
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394 | simple = fields.getfirst('simple') |
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395 | subjects = fields.getlist('subject') |
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396 | |
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397 | help_mapping = dict(paravm_console=""" |
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398 | ParaVM machines do not support console access over VNC. To access |
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399 | these machines, you either need to boot with a liveCD and ssh in or |
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400 | hope that the sipb-xen maintainers add support for serial consoles.""", |
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401 | hvm_paravm=""" |
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402 | HVM machines use the virtualization features of the processor, while |
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403 | ParaVM machines use Xen's emulation of virtualization features. You |
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404 | want an HVM virtualized machine.""", |
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405 | cpu_weight=""" |
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406 | Don't ask us! We're as mystified as you are.""", |
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407 | owner=""" |
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408 | The owner field is used to determine <a |
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409 | href="help?subject=quotas">quotas</a>. It must be the name of a |
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410 | locker that you are an AFS administrator of. In particular, you or an |
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411 | AFS group you are a member of must have AFS rlidwka bits on the |
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412 | locker. You can check see who administers the LOCKER locker using the |
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413 | command 'fs la /mit/LOCKER' on Athena.) See also <a |
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414 | href="help?subject=administrator">administrator</a>.""", |
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415 | administrator=""" |
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416 | The administrator field determines who can access the console and |
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417 | power on and off the machine. This can be either a user or a moira |
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418 | group.""", |
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419 | quotas=""" |
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420 | Quotas are determined on a per-locker basis. Each quota may have a |
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421 | maximum of 512 megabytes of active ram, 50 gigabytes of disk, and 4 |
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422 | active machines.""" |
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423 | ) |
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424 | |
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425 | if not subjects: |
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426 | subjects = sorted(help_mapping.keys()) |
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427 | |
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428 | d = dict(user=user, |
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429 | simple=simple, |
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430 | subjects=subjects, |
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431 | mapping=help_mapping) |
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432 | |
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433 | return Template(file="help.tmpl", searchList=[d]) |
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434 | |
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435 | |
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436 | def badOperation(u, e): |
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437 | raise CodeError("Unknown operation") |
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438 | |
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439 | def infoDict(user, machine): |
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440 | status = controls.statusInfo(machine) |
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441 | has_vnc = hasVnc(status) |
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442 | if status is None: |
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443 | main_status = dict(name=machine.name, |
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444 | memory=str(machine.memory)) |
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445 | uptime = None |
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446 | cputime = None |
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447 | else: |
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448 | main_status = dict(status[1:]) |
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449 | start_time = float(main_status.get('start_time', 0)) |
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450 | uptime = datetime.timedelta(seconds=int(time.time()-start_time)) |
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451 | cpu_time_float = float(main_status.get('cpu_time', 0)) |
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452 | cputime = datetime.timedelta(seconds=int(cpu_time_float)) |
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453 | display_fields = """name uptime memory state cpu_weight on_reboot |
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454 | on_poweroff on_crash on_xend_start on_xend_stop bootloader""".split() |
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455 | display_fields = [('name', 'Name'), |
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456 | ('owner', 'Owner'), |
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457 | ('administrator', 'Administrator'), |
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458 | ('contact', 'Contact'), |
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459 | ('type', 'Type'), |
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460 | 'NIC_INFO', |
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461 | ('uptime', 'uptime'), |
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462 | ('cputime', 'CPU usage'), |
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463 | ('memory', 'RAM'), |
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464 | 'DISK_INFO', |
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465 | ('state', 'state (xen format)'), |
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466 | ('cpu_weight', 'CPU weight'+helppopup('cpu_weight')), |
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467 | ('on_reboot', 'Action on VM reboot'), |
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468 | ('on_poweroff', 'Action on VM poweroff'), |
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469 | ('on_crash', 'Action on VM crash'), |
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470 | ('on_xend_start', 'Action on Xen start'), |
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471 | ('on_xend_stop', 'Action on Xen stop'), |
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472 | ('bootloader', 'Bootloader options'), |
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473 | ] |
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474 | fields = [] |
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475 | machine_info = {} |
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476 | machine_info['name'] = machine.name |
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477 | machine_info['type'] = machine.type.hvm and 'HVM' or 'ParaVM' |
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478 | machine_info['owner'] = machine.owner |
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479 | machine_info['administrator'] = machine.administrator |
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480 | machine_info['contact'] = machine.contact |
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481 | |
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482 | nic_fields = getNicInfo(machine_info, machine) |
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483 | nic_point = display_fields.index('NIC_INFO') |
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484 | display_fields = (display_fields[:nic_point] + nic_fields + |
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485 | display_fields[nic_point+1:]) |
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486 | |
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487 | disk_fields = getDiskInfo(machine_info, machine) |
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488 | disk_point = display_fields.index('DISK_INFO') |
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489 | display_fields = (display_fields[:disk_point] + disk_fields + |
---|
490 | display_fields[disk_point+1:]) |
---|
491 | |
---|
492 | main_status['memory'] += ' MiB' |
---|
493 | for field, disp in display_fields: |
---|
494 | if field in ('uptime', 'cputime') and locals()[field] is not None: |
---|
495 | fields.append((disp, locals()[field])) |
---|
496 | elif field in machine_info: |
---|
497 | fields.append((disp, machine_info[field])) |
---|
498 | elif field in main_status: |
---|
499 | fields.append((disp, main_status[field])) |
---|
500 | else: |
---|
501 | pass |
---|
502 | #fields.append((disp, None)) |
---|
503 | max_mem = validation.maxMemory(user, machine) |
---|
504 | max_disk = validation.maxDisk(user, machine) |
---|
505 | defaults = Defaults() |
---|
506 | for name in 'machine_id name administrator owner memory contact'.split(): |
---|
507 | setattr(defaults, name, getattr(machine, name)) |
---|
508 | defaults.disk = "%0.2f" % (machine.disks[0].size/1024.) |
---|
509 | d = dict(user=user, |
---|
510 | cdroms=CDROM.select(), |
---|
511 | on=status is not None, |
---|
512 | machine=machine, |
---|
513 | defaults=defaults, |
---|
514 | has_vnc=has_vnc, |
---|
515 | uptime=str(uptime), |
---|
516 | ram=machine.memory, |
---|
517 | max_mem=max_mem, |
---|
518 | max_disk=max_disk, |
---|
519 | owner_help=helppopup("owner"), |
---|
520 | fields = fields) |
---|
521 | return d |
---|
522 | |
---|
523 | def info(user, fields): |
---|
524 | """Handler for info on a single VM.""" |
---|
525 | machine = validation.testMachineId(user, fields.getfirst('machine_id')) |
---|
526 | d = infoDict(user, machine) |
---|
527 | return Template(file='info.tmpl', searchList=[d]) |
---|
528 | |
---|
529 | mapping = dict(list=listVms, |
---|
530 | vnc=vnc, |
---|
531 | command=command, |
---|
532 | modify=modify, |
---|
533 | info=info, |
---|
534 | create=create, |
---|
535 | help=helpHandler) |
---|
536 | |
---|
537 | def printHeaders(headers): |
---|
538 | for key, value in headers.iteritems(): |
---|
539 | print '%s: %s' % (key, value) |
---|
540 | print |
---|
541 | |
---|
542 | |
---|
543 | def getUser(): |
---|
544 | """Return the current user based on the SSL environment variables""" |
---|
545 | if 'SSL_CLIENT_S_DN_Email' in os.environ: |
---|
546 | username = os.environ['SSL_CLIENT_S_DN_Email'].split("@")[0] |
---|
547 | return User(username, os.environ['SSL_CLIENT_S_DN_Email']) |
---|
548 | else: |
---|
549 | return User('moo', 'nobody') |
---|
550 | |
---|
551 | def main(operation, user, fields): |
---|
552 | fun = mapping.get(operation, badOperation) |
---|
553 | |
---|
554 | if fun not in (helpHandler, ): |
---|
555 | connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen') |
---|
556 | try: |
---|
557 | output = fun(u, fields) |
---|
558 | |
---|
559 | headers = dict(DEFAULT_HEADERS) |
---|
560 | if isinstance(output, tuple): |
---|
561 | new_headers, output = output |
---|
562 | headers.update(new_headers) |
---|
563 | |
---|
564 | e = revertStandardError() |
---|
565 | if e: |
---|
566 | output.addError(e) |
---|
567 | printHeaders(headers) |
---|
568 | print output |
---|
569 | except Exception, err: |
---|
570 | if not fields.has_key('js'): |
---|
571 | if isinstance(err, CodeError): |
---|
572 | print 'Content-Type: text/html\n' |
---|
573 | e = revertStandardError() |
---|
574 | print error(operation, u, fields, err, e) |
---|
575 | sys.exit(1) |
---|
576 | if isinstance(err, InvalidInput): |
---|
577 | print 'Content-Type: text/html\n' |
---|
578 | e = revertStandardError() |
---|
579 | print invalidInput(operation, u, fields, err, e) |
---|
580 | sys.exit(1) |
---|
581 | print 'Content-Type: text/plain\n' |
---|
582 | print 'Uh-oh! We experienced an error.' |
---|
583 | print 'Please email sipb-xen@mit.edu with the contents of this page.' |
---|
584 | print '----' |
---|
585 | e = revertStandardError() |
---|
586 | print e |
---|
587 | print '----' |
---|
588 | raise |
---|
589 | |
---|
590 | if __name__ == '__main__': |
---|
591 | start_time = time.time() |
---|
592 | fields = cgi.FieldStorage() |
---|
593 | u = getUser() |
---|
594 | g.user = u |
---|
595 | operation = os.environ.get('PATH_INFO', '') |
---|
596 | if not operation: |
---|
597 | print "Status: 301 Moved Permanently" |
---|
598 | print 'Location: ' + os.environ['SCRIPT_NAME']+'/\n' |
---|
599 | sys.exit(0) |
---|
600 | |
---|
601 | if operation.startswith('/'): |
---|
602 | operation = operation[1:] |
---|
603 | if not operation: |
---|
604 | operation = 'list' |
---|
605 | |
---|
606 | main(operation, u, fields) |
---|
607 | |
---|