root / snf-astakos-app / astakos / api / util.py @ ff5edb80
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1 | 18f21257 | Giorgos Korfiatis | # Copyright 2013 GRNET S.A. All rights reserved.
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2 | 18f21257 | Giorgos Korfiatis | #
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3 | 18f21257 | Giorgos Korfiatis | # Redistribution and use in source and binary forms, with or
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4 | 18f21257 | Giorgos Korfiatis | # without modification, are permitted provided that the following
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5 | 18f21257 | Giorgos Korfiatis | # conditions are met:
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6 | 18f21257 | Giorgos Korfiatis | #
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7 | 18f21257 | Giorgos Korfiatis | # 1. Redistributions of source code must retain the above
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8 | 18f21257 | Giorgos Korfiatis | # copyright notice, this list of conditions and the following
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9 | 18f21257 | Giorgos Korfiatis | # disclaimer.
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10 | 18f21257 | Giorgos Korfiatis | #
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11 | 18f21257 | Giorgos Korfiatis | # 2. Redistributions in binary form must reproduce the above
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12 | 18f21257 | Giorgos Korfiatis | # copyright notice, this list of conditions and the following
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13 | 18f21257 | Giorgos Korfiatis | # disclaimer in the documentation and/or other materials
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14 | 18f21257 | Giorgos Korfiatis | # provided with the distribution.
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15 | 18f21257 | Giorgos Korfiatis | #
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16 | 18f21257 | Giorgos Korfiatis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 18f21257 | Giorgos Korfiatis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 18f21257 | Giorgos Korfiatis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 18f21257 | Giorgos Korfiatis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 18f21257 | Giorgos Korfiatis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 18f21257 | Giorgos Korfiatis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 18f21257 | Giorgos Korfiatis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 18f21257 | Giorgos Korfiatis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 18f21257 | Giorgos Korfiatis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 18f21257 | Giorgos Korfiatis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 18f21257 | Giorgos Korfiatis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 18f21257 | Giorgos Korfiatis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 18f21257 | Giorgos Korfiatis | #
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29 | 18f21257 | Giorgos Korfiatis | # The views and conclusions contained in the software and
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30 | 18f21257 | Giorgos Korfiatis | # documentation are those of the authors and should not be
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31 | 18f21257 | Giorgos Korfiatis | # interpreted as representing official policies, either expressed
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32 | 18f21257 | Giorgos Korfiatis | # or implied, of GRNET S.A.
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33 | 18f21257 | Giorgos Korfiatis | |
34 | 79b5d61b | Sofia Papagiannaki | from functools import wraps |
35 | 79b5d61b | Sofia Papagiannaki | from time import time, mktime |
36 | bd20edc6 | Giorgos Korfiatis | import datetime |
37 | 79b5d61b | Sofia Papagiannaki | |
38 | 18f21257 | Giorgos Korfiatis | from django.http import HttpResponse |
39 | 18f21257 | Giorgos Korfiatis | from django.utils import simplejson as json |
40 | 7ac2131c | Sofia Papagiannaki | from django.template.loader import render_to_string |
41 | 18f21257 | Giorgos Korfiatis | |
42 | bea584e1 | Giorgos Korfiatis | from astakos.im.models import AstakosUser, Component |
43 | 79b5d61b | Sofia Papagiannaki | from snf_django.lib.api import faults |
44 | bd20edc6 | Giorgos Korfiatis | from snf_django.lib.api.utils import isoformat |
45 | 79b5d61b | Sofia Papagiannaki | |
46 | 79b5d61b | Sofia Papagiannaki | from astakos.im.forms import FeedbackForm |
47 | 79b5d61b | Sofia Papagiannaki | from astakos.im.functions import send_feedback as send_feedback_func |
48 | 79b5d61b | Sofia Papagiannaki | |
49 | 79b5d61b | Sofia Papagiannaki | import logging |
50 | 79b5d61b | Sofia Papagiannaki | logger = logging.getLogger(__name__) |
51 | 79b5d61b | Sofia Papagiannaki | |
52 | 79b5d61b | Sofia Papagiannaki | absolute = lambda request, url: request.build_absolute_uri(url)
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53 | 79b5d61b | Sofia Papagiannaki | |
54 | 18f21257 | Giorgos Korfiatis | |
55 | bd20edc6 | Giorgos Korfiatis | def _dthandler(obj): |
56 | bd20edc6 | Giorgos Korfiatis | if isinstance(obj, datetime.datetime): |
57 | bd20edc6 | Giorgos Korfiatis | return isoformat(obj)
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58 | bd20edc6 | Giorgos Korfiatis | else:
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59 | bd20edc6 | Giorgos Korfiatis | raise TypeError |
60 | bd20edc6 | Giorgos Korfiatis | |
61 | bd20edc6 | Giorgos Korfiatis | |
62 | 18f21257 | Giorgos Korfiatis | def json_response(content, status_code=None): |
63 | 18f21257 | Giorgos Korfiatis | response = HttpResponse() |
64 | 18f21257 | Giorgos Korfiatis | if status_code is not None: |
65 | 18f21257 | Giorgos Korfiatis | response.status_code = status_code |
66 | 18f21257 | Giorgos Korfiatis | |
67 | bd20edc6 | Giorgos Korfiatis | response.content = json.dumps(content, default=_dthandler) |
68 | 18f21257 | Giorgos Korfiatis | response['Content-Type'] = 'application/json; charset=UTF-8' |
69 | 18f21257 | Giorgos Korfiatis | response['Content-Length'] = len(response.content) |
70 | 18f21257 | Giorgos Korfiatis | return response
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71 | ad730cc5 | Giorgos Korfiatis | |
72 | ad730cc5 | Giorgos Korfiatis | |
73 | 7ac2131c | Sofia Papagiannaki | def xml_response(content, template, status_code=None): |
74 | 7ac2131c | Sofia Papagiannaki | response = HttpResponse() |
75 | 7ac2131c | Sofia Papagiannaki | if status_code is not None: |
76 | 7ac2131c | Sofia Papagiannaki | response.status_code = status_code |
77 | 7ac2131c | Sofia Papagiannaki | |
78 | 7ac2131c | Sofia Papagiannaki | response.content = render_to_string(template, content) |
79 | 7ac2131c | Sofia Papagiannaki | response['Content-Type'] = 'application/xml; charset=UTF-8' |
80 | 7ac2131c | Sofia Papagiannaki | response['Content-Length'] = len(response.content) |
81 | 7ac2131c | Sofia Papagiannaki | return response
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82 | 7ac2131c | Sofia Papagiannaki | |
83 | 7ac2131c | Sofia Papagiannaki | |
84 | 2556cf45 | Giorgos Korfiatis | def read_json_body(request, default=None): |
85 | b694875c | Christos Stavrakakis | body = request.body |
86 | 2556cf45 | Giorgos Korfiatis | if not body and request.method == "GET": |
87 | 2556cf45 | Giorgos Korfiatis | body = request.GET.get("body")
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88 | 2556cf45 | Giorgos Korfiatis | if not body: |
89 | 2556cf45 | Giorgos Korfiatis | return default
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90 | 2556cf45 | Giorgos Korfiatis | try:
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91 | 2556cf45 | Giorgos Korfiatis | return json.loads(body)
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92 | 2556cf45 | Giorgos Korfiatis | except json.JSONDecodeError:
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93 | 2556cf45 | Giorgos Korfiatis | raise faults.BadRequest("Request body should be in json format.") |
94 | 2556cf45 | Giorgos Korfiatis | |
95 | 2556cf45 | Giorgos Korfiatis | |
96 | ad730cc5 | Giorgos Korfiatis | def is_integer(x): |
97 | ad730cc5 | Giorgos Korfiatis | return isinstance(x, (int, long)) |
98 | ad730cc5 | Giorgos Korfiatis | |
99 | ad730cc5 | Giorgos Korfiatis | |
100 | ad730cc5 | Giorgos Korfiatis | def are_integer(lst): |
101 | ad730cc5 | Giorgos Korfiatis | return all(map(is_integer, lst)) |
102 | 79b5d61b | Sofia Papagiannaki | |
103 | 79b5d61b | Sofia Papagiannaki | |
104 | bd93595d | Sofia Papagiannaki | def validate_user(user): |
105 | bd93595d | Sofia Papagiannaki | # Check if the user is active.
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106 | bd93595d | Sofia Papagiannaki | if not user.is_active: |
107 | bd93595d | Sofia Papagiannaki | raise faults.Unauthorized('User inactive') |
108 | bd93595d | Sofia Papagiannaki | |
109 | bd93595d | Sofia Papagiannaki | # Check if the token has expired.
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110 | bd93595d | Sofia Papagiannaki | if user.token_expired():
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111 | bd93595d | Sofia Papagiannaki | raise faults.Unauthorized('Authentication expired') |
112 | bd93595d | Sofia Papagiannaki | |
113 | bd93595d | Sofia Papagiannaki | # Check if the user has accepted the terms.
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114 | bd93595d | Sofia Papagiannaki | if not user.signed_terms: |
115 | bd93595d | Sofia Papagiannaki | raise faults.Unauthorized('Pending approval terms') |
116 | bd93595d | Sofia Papagiannaki | |
117 | bd93595d | Sofia Papagiannaki | |
118 | 79b5d61b | Sofia Papagiannaki | def user_from_token(func): |
119 | 79b5d61b | Sofia Papagiannaki | @wraps(func)
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120 | 79b5d61b | Sofia Papagiannaki | def wrapper(request, *args, **kwargs): |
121 | 79b5d61b | Sofia Papagiannaki | try:
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122 | 79b5d61b | Sofia Papagiannaki | token = request.x_auth_token |
123 | 79b5d61b | Sofia Papagiannaki | except AttributeError: |
124 | 79b5d61b | Sofia Papagiannaki | raise faults.Unauthorized("No authentication token") |
125 | 79b5d61b | Sofia Papagiannaki | |
126 | 79b5d61b | Sofia Papagiannaki | if not token: |
127 | 79b5d61b | Sofia Papagiannaki | raise faults.Unauthorized("Invalid X-Auth-Token") |
128 | 79b5d61b | Sofia Papagiannaki | |
129 | 79b5d61b | Sofia Papagiannaki | try:
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130 | 67920ea0 | Giorgos Korfiatis | user = AstakosUser.objects.get(auth_token=token) |
131 | 79b5d61b | Sofia Papagiannaki | except AstakosUser.DoesNotExist:
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132 | 79b5d61b | Sofia Papagiannaki | raise faults.Unauthorized('Invalid X-Auth-Token') |
133 | 79b5d61b | Sofia Papagiannaki | |
134 | bd93595d | Sofia Papagiannaki | validate_user(user) |
135 | 67920ea0 | Giorgos Korfiatis | |
136 | 67920ea0 | Giorgos Korfiatis | request.user = user |
137 | 276f454e | Sofia Papagiannaki | return func(request, *args, **kwargs)
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138 | 79b5d61b | Sofia Papagiannaki | return wrapper
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139 | 79b5d61b | Sofia Papagiannaki | |
140 | 79b5d61b | Sofia Papagiannaki | |
141 | bea584e1 | Giorgos Korfiatis | def component_from_token(func): |
142 | bea584e1 | Giorgos Korfiatis | """Decorator for authenticating component by its token.
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143 | 79b5d61b | Sofia Papagiannaki |
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144 | bea584e1 | Giorgos Korfiatis | Check that a component with the corresponding token exists. Also,
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145 | bea584e1 | Giorgos Korfiatis | if component's token has an expiration token, check that it has not
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146 | 79b5d61b | Sofia Papagiannaki | expired.
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147 | 79b5d61b | Sofia Papagiannaki |
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148 | 79b5d61b | Sofia Papagiannaki | """
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149 | 79b5d61b | Sofia Papagiannaki | @wraps(func)
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150 | 79b5d61b | Sofia Papagiannaki | def wrapper(request, *args, **kwargs): |
151 | 79b5d61b | Sofia Papagiannaki | try:
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152 | 79b5d61b | Sofia Papagiannaki | token = request.x_auth_token |
153 | 79b5d61b | Sofia Papagiannaki | except AttributeError: |
154 | 79b5d61b | Sofia Papagiannaki | raise faults.Unauthorized("No authentication token") |
155 | 79b5d61b | Sofia Papagiannaki | |
156 | 79b5d61b | Sofia Papagiannaki | if not token: |
157 | 79b5d61b | Sofia Papagiannaki | raise faults.Unauthorized("Invalid X-Auth-Token") |
158 | 79b5d61b | Sofia Papagiannaki | try:
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159 | bea584e1 | Giorgos Korfiatis | component = Component.objects.get(auth_token=token) |
160 | bea584e1 | Giorgos Korfiatis | except Component.DoesNotExist:
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161 | 79b5d61b | Sofia Papagiannaki | raise faults.Unauthorized("Invalid X-Auth-Token") |
162 | 79b5d61b | Sofia Papagiannaki | |
163 | 79b5d61b | Sofia Papagiannaki | # Check if the token has expired
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164 | bea584e1 | Giorgos Korfiatis | expiration_date = component.auth_token_expires |
165 | 79b5d61b | Sofia Papagiannaki | if expiration_date:
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166 | 79b5d61b | Sofia Papagiannaki | expires_at = mktime(expiration_date.timetuple()) |
167 | 79b5d61b | Sofia Papagiannaki | if time() > expires_at:
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168 | 79b5d61b | Sofia Papagiannaki | raise faults.Unauthorized("Authentication expired") |
169 | 79b5d61b | Sofia Papagiannaki | |
170 | bea584e1 | Giorgos Korfiatis | request.component_instance = component |
171 | 79b5d61b | Sofia Papagiannaki | return func(request, *args, **kwargs)
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172 | 79b5d61b | Sofia Papagiannaki | return wrapper
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173 | 79b5d61b | Sofia Papagiannaki | |
174 | 79b5d61b | Sofia Papagiannaki | |
175 | 7f313da1 | Sofia Papagiannaki | def get_uuid_displayname_catalogs(request, user_call=True): |
176 | 79b5d61b | Sofia Papagiannaki | # Normal Response Codes: 200
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177 | 79b5d61b | Sofia Papagiannaki | # Error Response Codes: BadRequest (400)
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178 | 79b5d61b | Sofia Papagiannaki | |
179 | 79b5d61b | Sofia Papagiannaki | try:
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180 | b694875c | Christos Stavrakakis | input_data = json.loads(request.body) |
181 | 79b5d61b | Sofia Papagiannaki | except:
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182 | 79b5d61b | Sofia Papagiannaki | raise faults.BadRequest('Request body should be json formatted.') |
183 | 79b5d61b | Sofia Papagiannaki | else:
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184 | bbf20a4c | Sofia Papagiannaki | if not isinstance(input_data, dict): |
185 | bbf20a4c | Sofia Papagiannaki | raise faults.BadRequest(
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186 | bbf20a4c | Sofia Papagiannaki | 'Request body should be a json formatted dictionary')
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187 | 79b5d61b | Sofia Papagiannaki | uuids = input_data.get('uuids', [])
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188 | 79b5d61b | Sofia Papagiannaki | if uuids is None and user_call: |
189 | 79b5d61b | Sofia Papagiannaki | uuids = [] |
190 | 79b5d61b | Sofia Papagiannaki | displaynames = input_data.get('displaynames', [])
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191 | 79b5d61b | Sofia Papagiannaki | if displaynames is None and user_call: |
192 | 79b5d61b | Sofia Papagiannaki | displaynames = [] |
193 | 79b5d61b | Sofia Papagiannaki | user_obj = AstakosUser.objects |
194 | 79b5d61b | Sofia Papagiannaki | d = {'uuid_catalog': user_obj.uuid_catalog(uuids),
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195 | 79b5d61b | Sofia Papagiannaki | 'displayname_catalog': user_obj.displayname_catalog(displaynames)}
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196 | 79b5d61b | Sofia Papagiannaki | |
197 | 79b5d61b | Sofia Papagiannaki | response = HttpResponse() |
198 | 79b5d61b | Sofia Papagiannaki | response.content = json.dumps(d) |
199 | 79b5d61b | Sofia Papagiannaki | response['Content-Type'] = 'application/json; charset=UTF-8' |
200 | 79b5d61b | Sofia Papagiannaki | response['Content-Length'] = len(response.content) |
201 | 79b5d61b | Sofia Papagiannaki | return response
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202 | 79b5d61b | Sofia Papagiannaki | |
203 | 79b5d61b | Sofia Papagiannaki | |
204 | 276f454e | Sofia Papagiannaki | def send_feedback(request, email_template_name='im/feedback_mail.txt'): |
205 | 79b5d61b | Sofia Papagiannaki | form = FeedbackForm(request.POST) |
206 | 79b5d61b | Sofia Papagiannaki | if not form.is_valid(): |
207 | 79b5d61b | Sofia Papagiannaki | logger.error("Invalid feedback request: %r", form.errors)
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208 | 79b5d61b | Sofia Papagiannaki | raise faults.BadRequest('Invalid data') |
209 | 79b5d61b | Sofia Papagiannaki | |
210 | 79b5d61b | Sofia Papagiannaki | msg = form.cleaned_data['feedback_msg']
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211 | 79b5d61b | Sofia Papagiannaki | data = form.cleaned_data['feedback_data']
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212 | 79b5d61b | Sofia Papagiannaki | try:
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213 | 276f454e | Sofia Papagiannaki | send_feedback_func(msg, data, request.user, email_template_name) |
214 | 79b5d61b | Sofia Papagiannaki | except:
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215 | 79b5d61b | Sofia Papagiannaki | return HttpResponse(status=502) |
216 | 79b5d61b | Sofia Papagiannaki | return HttpResponse(status=200) |
217 | 7ac2131c | Sofia Papagiannaki | |
218 | 7ac2131c | Sofia Papagiannaki | |
219 | 7ac2131c | Sofia Papagiannaki | def rename_meta_key(d, old, new): |
220 | 7ac2131c | Sofia Papagiannaki | if old not in d: |
221 | 7ac2131c | Sofia Papagiannaki | return
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222 | 7ac2131c | Sofia Papagiannaki | d[new] = d[old] |
223 | 7ac2131c | Sofia Papagiannaki | del(d[old])
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224 | d29f0371 | Sofia Papagiannaki | |
225 | d29f0371 | Sofia Papagiannaki | |
226 | d29f0371 | Sofia Papagiannaki | def get_int_parameter(p): |
227 | d29f0371 | Sofia Papagiannaki | if p is not None: |
228 | d29f0371 | Sofia Papagiannaki | try:
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229 | d29f0371 | Sofia Papagiannaki | p = int(p)
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230 | d29f0371 | Sofia Papagiannaki | except ValueError: |
231 | d29f0371 | Sofia Papagiannaki | return None |
232 | d29f0371 | Sofia Papagiannaki | if p < 0: |
233 | d29f0371 | Sofia Papagiannaki | return None |
234 | d29f0371 | Sofia Papagiannaki | return p
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235 | d29f0371 | Sofia Papagiannaki | |
236 | d29f0371 | Sofia Papagiannaki | |
237 | d29f0371 | Sofia Papagiannaki | def get_content_length(request): |
238 | d29f0371 | Sofia Papagiannaki | content_length = get_int_parameter(request.META.get('CONTENT_LENGTH'))
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239 | d29f0371 | Sofia Papagiannaki | if content_length is None: |
240 | d29f0371 | Sofia Papagiannaki | raise faults.LengthRequired('Missing or invalid Content-Length header') |
241 | d29f0371 | Sofia Papagiannaki | return content_length
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242 | 2556cf45 | Giorgos Korfiatis | |
243 | 2556cf45 | Giorgos Korfiatis | |
244 | 2556cf45 | Giorgos Korfiatis | def invert_dict(d): |
245 | 2556cf45 | Giorgos Korfiatis | return dict((v, k) for k, v in d.iteritems()) |