X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/cff8faf5438a6b098050d7b2a29bdae641b0ef72..504587ddf79685559107c75721bf45a00bf8210c:/code/main.py diff --git a/code/main.py b/code/main.py index ec14236..5874928 100755 --- a/code/main.py +++ b/code/main.py @@ -6,7 +6,6 @@ import cPickle import cgi import datetime import hmac -import os import sha import simplejson import sys @@ -262,7 +261,7 @@ def vnc(username, state, fields): on=status, has_vnc=has_vnc, machine=machine, - hostname=os.environ.get('SERVER_NAME', 'localhost'), + hostname=state.environ.get('SERVER_NAME', 'localhost'), authtoken=token) return templates.vnc(searchList=[d]) @@ -340,7 +339,7 @@ def command(username, state, fields): return templates.list(searchList=[d]) elif back == 'info': machine = validation.Validate(username, state, machine_id=fields.getfirst('machine_id')).machine - return ({'Status': '302', + return ({'Status': '303 See Other', 'Location': '/info?machine_id=%d' % machine.machine_id}, "You shouldn't see this message.") else: @@ -378,7 +377,7 @@ def modifyDict(username, state, fields): machine.owner = validate.owner update_acl = True if hasattr(validate, 'name'): - machine.name = name + machine.name = validate.name if hasattr(validate, 'admin') and validate.admin != machine.administrator: machine.administrator = validate.admin update_acl = True @@ -412,7 +411,7 @@ def modify(username, state, fields): machine = modify_dict['machine'] result = 'Success!' err = None - info_dict = infoDict(username, machine) + info_dict = infoDict(username, state, machine) info_dict['err'] = err if err: for field in fields.keys(): @@ -580,6 +579,10 @@ def unauthFront(_, _2, fields): """Information for unauth'd users.""" return templates.unauth(searchList=[{'simple' : True}]) +def throwError(_, __, ___): + """Throw an error, to test the error-tracing mechanisms.""" + raise RuntimeError("This is a test of the emergency broadcast system.") + mapping = dict(list=listVms, vnc=vnc, command=command, @@ -587,7 +590,8 @@ mapping = dict(list=listVms, info=info, create=create, help=helpHandler, - unauth=unauthFront) + unauth=unauthFront, + errortest=throwError) def printHeaders(headers): """Print a dictionary as HTTP headers.""" @@ -595,6 +599,20 @@ def printHeaders(headers): print '%s: %s' % (key, value) print +def send_error_mail(subject, body): + import subprocess + + to = 'xvm@mit.edu' + mail = """To: %s +From: root@xvm.mit.edu +Subject: %s + +%s +""" % (to, subject, body) + p = subprocess.Popen(['/usr/sbin/sendmail', to], stdin=subprocess.PIPE) + p.stdin.write(mail) + p.stdin.close() + p.wait() def getUser(environ): """Return the current user based on the SSL environment variables""" @@ -612,6 +630,7 @@ class App: self.username = getUser(environ) self.state = State(self.username) + self.state.environ = environ def __iter__(self): fields = cgi.FieldStorage(fp=self.environ['wsgi.input'], environ=self.environ) @@ -619,7 +638,7 @@ class App: operation = self.environ.get('PATH_INFO', '') if not operation: self.start("301 Moved Permanently", [('Location', - os.environ['SCRIPT_NAME']+'/')]) + self.environ['SCRIPT_NAME']+'/')]) return if self.username is None: operation = 'unauth' @@ -668,14 +687,23 @@ class App: return self.start('500 Internal Server Error', [('Content-Type', 'text/plain')]) import traceback - yield '''Uh-oh! We experienced an error.' -Please email xvm-dev@mit.edu with the contents of this page.' + send_error_mail('xvm error: %s' % (err,), + '%s\n' % (traceback.format_exc(),)) + yield '''Uh-oh! We experienced an error. +Sorry about that. We've gotten mail about it. + +Feel free to poke us at xvm@mit.edu if this bug is +consistently biting you and we don't seem to be fixing it. + +In case you're curious, the gory details are here. ---- %s ---- %s ----''' % (str(err), traceback.format_exc()) - self.start('200 OK', headers.items()) + status = headers.setdefault('Status', '200 OK') + del headers['Status'] + self.start(status, headers.items()) yield output_string if fields.has_key('timedebug'): yield '
%s
' % cgi.escape(str(checkpoint))