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Commits
71fb6610
Commit
71fb6610
authored
Nov 08, 2013
by
Jean Michel Rouly
Browse files
Simplified redirect script, extracted into library function.
parent
6927d318
Changes
1
Hide whitespace changes
Inline
Side-by-side
wsgi/redir.py
View file @
71fb6610
...
...
@@ -6,72 +6,46 @@ import library
import
goconfig
def
application
(
environ
,
start_response
):
# First things first - clear any old URL entries.
library
.
remove_expired_urls
()
# Construct the default body, along with its header/footer wrapper.
body
=
[
"<p>Nothing here.</p>"
]
f
=
open
(
goconfig
.
doc_root
+
"/site_data/top.part"
,
"r"
)
top_part
=
f
.
read
()
f
.
close
()
f
=
open
(
goconfig
.
doc_root
+
"/site_data/bottom.part"
,
"r"
)
bottom_part
=
f
.
read
()
f
.
close
()
# Set up an empty URL in case we can't find one in the database.
url
=
None
# Grab the requested short_url. Strip it of white space, and remove
# the initial forward slash.
request
=
environ
[
"REQUEST_URI"
]
target
=
request
.
strip
()[
1
:]
try
:
# Connect to and choose the database.
mdb
,
cursor
=
library
.
connect_to_mysql
()
# Query the database for the short_url value.
sql
=
"""SELECT * FROM `%s` WHERE `shorturl` = %s;"""
query
=
cursor
.
execute
(
sql
,
(
goconfig
.
sql_url_table
,
target
)
)
# If at least one row has been found, then grab its short_url.
# If no rows are found, though, then don't do anything more!
if
query
>
0
:
# Grab the data from the database.
selection
=
cursor
.
fetchall
()
row
=
selection
[
0
]
# we are only interested in the first result
url
=
row
[
1
]
# this is the index of the longurl field
uid
=
row
[
0
]
# this is the index of the ID field
sql
=
"""UPDATE `%s` SET `clicks`=`clicks`+1 WHERE `id`=%s;"""
query
=
cursor
.
execute
(
sql
,
(
goconfig
.
sql_url_table
,
uid
)
)
# Close the connection to the mySQL database.
mdb
.
commit
()
mdb
.
close
()
except
MySQLdb
.
OperationalError
:
body
.
append
(
"<p>Error in mySQL database.</p>"
)
body
=
''
.
join
(
body
)
short_url
=
request
.
strip
()[
1
:]
if
url
==
None
:
response
=
top_part
+
body
+
bottom_part
# Find the target in the database if possible.
target
=
library
.
get_redirect_target
(
short_url
)
if
target
is
None
:
f
=
open
(
goconfig
.
doc_root
+
"/site_data/top.part"
,
"r"
)
top
=
f
.
read
()
f
.
close
()
f
=
open
(
goconfig
.
doc_root
+
"/site_data/bottom.part"
,
"r"
)
bottom
=
f
.
read
()
f
.
close
()
response
=
[]
response
.
append
(
top
)
response
.
append
(
"<p>Nothing here.</p>"
)
response
.
append
(
bottom
)
response
=
''
.
join
(
response
)
status
=
'200 OK'
response_headers
=
[(
'Content-type'
,
'text/html'
),
(
'Content-Length'
,
str
(
len
(
response
)))]
start_response
(
status
,
response_headers
)
return
[
response
]
else
:
## incorporate piwik python api thing HERE
status
=
'303 See other'
response_headers
=
[(
'Location'
,
url
)]
response_headers
=
[(
'Location'
,
target
)]
start_response
(
status
,
response_headers
)
return
[
'Redirecting to url . . .'
]
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