1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
# coding=utf-8
import base64, copy, json, os, random, sys, warnings
try:
from StringIO import StringIO # for Python 2
except ImportError:
from io import StringIO # for Python 3
from mod_python import apache, Session
OLDPATH = copy.copy(sys.path)
sys.path.append(
os.path.abspath(os.path.join(os.path.dirname(__file__), '../..')))
from dealconvert import DealConverter
from dealconvert.formats import *
sys.path = OLDPATH
CACHEPATH = os.path.abspath(
os.path.join(
os.path.dirname(__file__),
'../../cache'))
def _get_rand_string(length=30):
return ('%0' + str(length) + 'x') % (random.randrange(16**length))
def _get_file_id():
while True:
output_id = _get_rand_string()
output_path = os.path.join(CACHEPATH, output_id)
if not os.path.exists(output_path):
return output_id, output_path
def _print_response(response, obj):
response.write(json.dumps(obj))
def handle_upload(response, request):
if request.method != 'POST':
response.status = apache.HTTP_METHOD_NOT_ALLOWED
return
try:
params = json.load(request)
except ValueError as e:
response.write(str(e))
response.status = apache.HTTP_BAD_REQUEST
return
session = Session.Session(response)
if 'tokens' not in session:
session['tokens'] = {}
response.content_type = 'application/json'
return_obj = {
'name': None,
'warnings': [],
'error': None,
'files': []
}
warnings.simplefilter('always')
warnings.showwarning = lambda msg, *args: return_obj['warnings'].append(
unicode(msg))
try:
return_obj['name'] = params['name']
converter = DealConverter(columns=4, orientation='Portrait')
parser = converter.detect_format(params['name'])
input_file = StringIO(base64.b64decode(params['content']))
dealset = parser.parse_content(input_file)
input_file.close()
if not len(dealset):
raise RuntimeError('Dealset is empty')
if params['display_deals']:
preview_obj = []
for board in dealset:
deal_preview = {
'number': board.number,
'conditions': 'nesw'[board.dealer],
'hands': []
}
for pair in ['ns', 'ew']:
if board.vulnerable[pair.upper()]:
deal_preview['conditions'] += '-' + pair
deal_preview['hands'] = board.hands
preview_obj.append(deal_preview)
return_obj['preview'] = preview_obj
else:
return_obj['preview'] = None
except RuntimeError as e:
return_obj['error'] = unicode(e)
return _print_response(response, return_obj)
for output_type in params['output']:
output_return = {
'name': None,
'link': None,
'warnings': [],
'error': None
}
warnings.showwarning = lambda msg, *args: output_return['warnings'].append(
unicode(msg))
try:
output_name = '.'.join(params['name'].split('.')[:-1] + [output_type])
output_return['name'] = output_name
output = converter.detect_format(output_name, False)
output_id, output_path = _get_file_id()
token = _get_rand_string(16)
output_buffer = StringIO()
output.analyze = params.get('analyze_deals', False)
output.output_content(output_buffer, dealset)
with file(output_path, 'w') as output_file:
json.dump({
'token': token,
'name': output_name,
'content': base64.b64encode(output_buffer.getvalue())
}, output_file)
output_buffer.close()
session['tokens'][output_id] = token
output_return['link'] = 'download/%s' % (output_id)
except RuntimeError as e:
output_return['error'] = unicode(e)
return_obj['files'].append(output_return)
session.save()
_print_response(response, return_obj)
def handle_download(response, request, uri_parts=[]):
if not len(uri_parts):
response.status = apache.HTTP_BAD_REQUEST
return
if request.method != 'GET':
response.status = apache.HTTP_METHOD_NOT_ALLOWED
return
session = Session.Session(response)
if 'tokens' not in session:
response.status = apache.HTTP_NOT_FOUND
return
output_id = uri_parts[0]
output_path = os.path.join(CACHEPATH, output_id)
if not os.path.exists(output_path):
response.status = apache.HTTP_NOT_FOUND
return
if output_id not in session['tokens']:
response.status = apache.HTTP_NOT_FOUND
return
with file(output_path) as output_file:
output = json.load(output_file)
if output['token'] != session['tokens'][output_id]:
response.status = apache.HTTP_NOT_FOUND
return
content = base64.b64decode(output['content'])
response.content_type = 'application/octet-stream'
response.headers_out.add(
'Content-Disposition', 'attachment; filename=%s' % (output['name']))
response.write(content)
def handler(req):
# MIME type fix for error messages
req.content_type = 'text/plain'
# we need to recover original request path, from before rewrite
orig_req = req
while True:
if orig_req.prev:
orig_req = orig_req.prev
else:
break
uri_parts = [part for part in orig_req.uri.split('/') if part.strip()]
uri_parts = uri_parts[uri_parts.index('api')+1:]
if not len(uri_parts):
req.status = apache.HTTP_BAD_REQUEST
else:
try:
if uri_parts[0] == 'upload':
handle_upload(req, orig_req)
elif uri_parts[0] == 'download':
handle_download(req, orig_req, uri_parts[1:])
else:
req.status = apache.HTTP_BAD_REQUEST
except Exception as e:
req.status = apache.HTTP_INTERNAL_SERVER_ERROR
req.write(str(e))
return apache.OK
|
