Fachschaft Informatik - Benutzerbeiträge [de]

STiNE-filetransfer.exe

2008-09-25T01:23:40Z

Blackmole: Großes N sowie kleines j vergessen und nun ergänzt

Die Dokumente unter dem Menüpunkt "Meine Dokumente" werden von der filetransfer.exe (https://www.stine.uni-hamburg.de/scripts/filetransfer.exe) ausgeliefert.

== Aufbau der verschleierten URL ==
/scripts/filetransfer.exe?[lange hexzeichenkette]

== Aufbau der Klartext-URL ==
<pre>
mode=download&installdir=./&session=[Session-ID 15N]&fnsrc=f[15N (bei mir alle 15N, evt. auch mehr/weniger)].cache&fndest=[Auslieferungsdateiname]&subdir=temp
</pre>
Beispiel einer gültigen URL:
<pre>
mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp
</pre>

== Aufbau der Hexzeichenkette ==
Es wird ein einfaches Substitutionsverfahren verwendet. Jedes Zeichen wird durch einen vierstelligen Hexcode ersetzt. Eventuell ist hier noch ein Muster drin, momentan ist jedoch keines bekannt.
=== Ersetzungstabelle ===
Die Liste ist nun zum größten Teil vollständig. Es fehlt noch das Leerzeichen sowie eher ungebräuchlichere ASCII-Codes, insbesondere Steuerzeichen.

<div style="float:left; margin-right:20px;">
{| border="1"
|+ Zahlen
! Code !! Zeichen
|-
| 8977 || 0
|-
| 2018 || 1
|-
| a8b1 || 2
|-
| 3dc2 || 3
|-
| 3b98 || 4
|-
| 4423 || 5
|-
| 6950 || 6
|-
| 9ee7 || 7
|-
| 7678 || 8
|-
| ac3b || 9
|}
</div>

<div style="float:left; margin-right:20px;">
{| border="1"
|+ Großbuchstaben
! Code !! Zeichen
|-
| 478b || A
|-
| 76fd || B
|-
| 4886 || C
|-
| 92d1 || D
|-
| 3ace || E
|-
| 3322 || F
|-
| 4b34 || G
|-
| b7f7 || H
|-
| a4bf || I
|-
| a59e || J
|-
| 2331 || K
|-
| b90e || L
|-
| 6296 || M
|-
| 45e4 || N
|-
| 81e8 || O
|-
| 9eb8 || P
|-
| 0d21 || Q
|-
| 5a84 || R
|-
| 9396 || S
|-
| 642a || T
|-
| 0682 || U
|-
| 7df7 || V
|-
| 0a17 || W
|-
| a14e || X
|-
| 284a || Y
|-
| a2ec || Z
|}
</div>

<div style="float:left; margin-right:20px;">
{| border="1"
|+ Kleinbuchstaben
! Code !! Zeichen
|-
| 781f || a
|-
| a007 || b
|-
| 7abe || c
|-
| b84f || d
|-
| b91d || e
|-
| 2104 || f
|-
| 94f2 || g
|-
| 6e19 || h
|-
| 644d || i
|-
| a852 || j
|-
| 2cba || k
|-
| 2906 || l
|-
| 8606 || m
|-
| 46df || n
|-
| 2d78 || o
|-
| 15c8 || p
|-
| 8be3 || q
|-
| 7b4f || r
|-
| 27c2 || s
|-
| 04c6 || t
|-
| 98cb || u
|-
| 6141 || v
|-
| 06db || w
|-
| 594e || x
|-
| 5977 || y
|-
| 9d29 || z
|}
</div>

<div style="float:left; margin-right:20px;">
{| border="1"
|+ Sonderzeichen
! Code !! Zeichen
|-
| 432b || !
|-
| 7c0c || #
|-
| 62da || $
|-
| 112f || %
|-
| 0e27 || &
|-
| 0409 || '
|-
| 2692 || (
|-
| 6b27 || )
|-
| 5721 || *
|-
| 56fd || +
|-
| 789b || ,
|-
| aeb7 || -
|-
| 6e93 || .
|-
| a837 || /
|-
| 54e5 || ;
|-
| 76b1 || <
|-
| 3dd0 || =
|-
| 7b44 || >
|-
| 923d || @
|-
| 493f || [
|-
| 6a15 || ]
|-
| 8991 || ^
|-
| 6873 || _
|-
| 51ed || `
|-
| 45ea || {
|-
| 1d54 || <nowiki>|</nowiki>
|-
| 2545 || }
|-
| 4092 || ~
|}
</div>

<div style="float:left;>
{| border="1"
|+ Umlaute
! Code !! Zeichen
|-
| 3240 || Ä
|-
| 28b7 || Ö
|-
| 3ada || Ü
|-
| 8c24 || ä
|-
| 16da || ö
|-
| 4a5b || ü
|}
</div>

<hr style="clear:both;" />

== Python-Modul zum verschleiern/entschleiern ==
<pre><nowiki>
# -*- coding: utf-8 -*-
"""
STiNE filetransfer.exe decoder/encoder
Copyright (c) 2008 Henning Pridöhl
MIT License - http://www.opensource.org/licenses/mit-license.php
This module is for decoding and encoding of the filetransfer.exe parameter
of STiNE. It consists of three functions:
1) string encoded_parameter encode_transfer(string query_string)
2) string decoded_query_string decode_transfer(string encoded_parameter)
3) string encoded_parameter build_transfer(
session, fnsrc, fndest, installdir='./', subdir='temp')

Please note that the code table doesn't contain the complete ASCII!
Feel free to add missing codes.

== Usage ==
Encoding:
>>> encode_transfer('mode=download&installdir=./&session=333090280767182&fnsrc=f333043751172556.cache&fndest=OnlineKontrollausdruck.pdf&subdir=temp')
'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'

Decoding:
>>> decode_transfer('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')
'mode=download&installdir=./&session=333090280767182&fnsrc=f333043751172556.cache&fndest=OnlineKontrollausdruck.pdf&subdir=temp'

Decoding with unknown codes results in '?' (f00b is unknown)
>>> decode_transfer('f00b781f7b4f')
'?ar'

Building the transfer easily
>>> build_transfer(333090280767182, 'f333043751172556.cache', 'OnlineKontrollausdruck.pdf')
'86062d78b84fb91d3dd0b84f2d7806db46df29062d78781fb84f0e27644d46df27c204c6781f29062906b84f644d7b4f3dd06e93a8370e2727c2b91d27c227c2644d2d7846df3dd03dc23dc23dc28977ac3b8977a8b1767889779ee769509ee720187678a8b10e27210446df27c27b4f7abe3dd021043dc23dc23dc289773b983dc29ee74423201820189ee7a8b14423442369506e937abe781f7abe6e19b91d0e27210446dfb84fb91d27c204c63dd081e846df2906644d46dfb91d23312d7846df04c67b4f2d7829062906781f98cb27c2b84f7b4f98cb7abe2cba6e9315c8b84f21040e2727c298cba007b84f644d7b4f3dd004c6b91d860615c8'

Debug decoding (e.g. for adding new codes to the code table)
Just join the result with "\n" and display it :)
>>> decode_transfer('21042d782d78a007781f7b4f', True)
('2104 2d78 2d78 a007 781f 7b4f', 'f o o b a r ')
"""

code_table = """
8977 0
2018 1
a8b1 2
3dc2 3
3b98 4
4423 5
6950 6
9ee7 7
7678 8
ac3b 9
478b A
76fd B
4886 C
92d1 D
3ace E
3322 F
4b34 G
b7f7 H
a4bf I
a59e J
2331 K
b90e L
6296 M
45e4 N
81e8 O
9eb8 P
0d21 Q
5a84 R
9396 S
642a T
0682 U
7df7 V
0a17 W
a14e X
284a Y
a2ec Z
781f a
a007 b
7abe c
b84f d
b91d e
2104 f
94f2 g
6e19 h
644d i
a852 j
2cba k
2906 l
8606 m
46df n
2d78 o
15c8 p
8be3 q
7b4f r
27c2 s
04c6 t
98cb u
6141 v
06db w
594e x
5977 y
9d29 z
432b !
7c0c #
62da $
112f %
0e27 &
0409 '
2692 (
6b27 )
5721 *
56fd +
789b ,
aeb7 -
6e93 .
a837 /
54e5 ;
76b1 <
3dd0 =
7b44 >
923d @
493f [
6a15 ]
8991 ^
6873 _
51ed `
45ea {
1d54 |
2545 }
4092 ~
3240 Ä
28b7 Ö
3ada Ü
8c24 ä
16da ö
4a5b ü
""".strip()

decode_dict = {}
encode_dict = {}
for line in code_table.split('\n'):
code, char = line.split()
decode_dict[code] = char
encode_dict[char] = code

del code_table

def encode_transfer(plain):
"""Encodes a transfer name
>>> encode_transfer('foobar')
'21042d782d78a007781f7b4f'
"""
return ''.join([encode_dict.get(x, '????') for x in plain])

def decode_transfer(encoded, debug=False):
"""Decodes a transfer name
>>> decode_transfer('21042d782d78a007781f7b4f')
'foobar'
"""
encoded = encoded.replace('https://www.stine.uni-hamburg.de/scripts/', '') \
.replace('filetransfer.exe?', '')
try:
if len(encoded) % 4 != 0:
raise
if not debug:
return ''.join([decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
else:
return (
' '.join([encoded[i*4:(i+1)*4]
for i in xrange(len(encoded)/4)]),
' '.join(['%s ' % decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
)
except:
raise ValueError('encoded string is malformed!')

def build_transfer(session, fnsrc, fndest, installdir='./', subdir='temp'):
"""Builds an transfer name by given url parameters
>>> import hashlib; hashlib.sha1(
... build_transfer(333090280767182, 'f00.cache', 'foo.pdf')
... ).hexdigest()
'c6fa3a7e5cdf544f2d01978d084ea0e4aca6beb3'
"""
return encode_transfer(
'mode=download&installdir=%s&session=%s&fnsrc=%s&fndest=%s&subdir=%s'
% (installdir, session, fnsrc, fndest, subdir)
)

if __name__ == '__main__':
import doctest
doctest.testmod()

</nowiki>
</pre>

[[Kategorie: STiNE]]

STiNE-filetransfer.exe

2008-09-25T01:12:11Z

Blackmole: Markup: Tabellentitel wirklich als Tabellentitel und nicht als Überschriften

Die Dokumente unter dem Menüpunkt "Meine Dokumente" werden von der filetransfer.exe (https://www.stine.uni-hamburg.de/scripts/filetransfer.exe) ausgeliefert.

== Aufbau der verschleierten URL ==
/scripts/filetransfer.exe?[lange hexzeichenkette]

== Aufbau der Klartext-URL ==
<pre>
mode=download&installdir=./&session=[Session-ID 15N]&fnsrc=f[15N (bei mir alle 15N, evt. auch mehr/weniger)].cache&fndest=[Auslieferungsdateiname]&subdir=temp
</pre>
Beispiel einer gültigen URL:
<pre>
mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp
</pre>

== Aufbau der Hexzeichenkette ==
Es wird ein einfaches Substitutionsverfahren verwendet. Jedes Zeichen wird durch einen vierstelligen Hexcode ersetzt. Eventuell ist hier noch ein Muster drin, momentan ist jedoch keines bekannt.
=== Ersetzungstabelle ===
Die Liste ist nun zum größten Teil vollständig. Es fehlt noch das Leerzeichen sowie eher ungebräuchlichere ASCII-Codes, insbesondere Steuerzeichen.

<div style="float:left; margin-right:20px;">
{| border="1"
|+ Zahlen
! Code !! Zeichen
|-
| 8977 || 0
|-
| 2018 || 1
|-
| a8b1 || 2
|-
| 3dc2 || 3
|-
| 3b98 || 4
|-
| 4423 || 5
|-
| 6950 || 6
|-
| 9ee7 || 7
|-
| 7678 || 8
|-
| ac3b || 9
|}
</div>

<div style="float:left; margin-right:20px;">
{| border="1"
|+ Großbuchstaben
! Code !! Zeichen
|-
| 478b || A
|-
| 76fd || B
|-
| 4886 || C
|-
| 92d1 || D
|-
| 3ace || E
|-
| 3322 || F
|-
| 4b34 || G
|-
| b7f7 || H
|-
| a4bf || I
|-
| a59e || J
|-
| 2331 || K
|-
| b90e || L
|-
| 6296 || M
|-
| 81e8 || O
|-
| 9eb8 || P
|-
| 0d21 || Q
|-
| 5a84 || R
|-
| 9396 || S
|-
| 642a || T
|-
| 0682 || U
|-
| 7df7 || V
|-
| 0a17 || W
|-
| a14e || X
|-
| 284a || Y
|-
| a2ec || Z
|}
</div>

<div style="float:left; margin-right:20px;">
{| border="1"
|+ Kleinbuchstaben
! Code !! Zeichen
|-
| 781f || a
|-
| a007 || b
|-
| 7abe || c
|-
| b84f || d
|-
| b91d || e
|-
| 2104 || f
|-
| 94f2 || g
|-
| 6e19 || h
|-
| 644d || i
|-
| 2cba || k
|-
| 2906 || l
|-
| 8606 || m
|-
| 46df || n
|-
| 2d78 || o
|-
| 15c8 || p
|-
| 8be3 || q
|-
| 7b4f || r
|-
| 27c2 || s
|-
| 04c6 || t
|-
| 98cb || u
|-
| 6141 || v
|-
| 06db || w
|-
| 594e || x
|-
| 5977 || y
|-
| 9d29 || z
|}
</div>

<div style="float:left; margin-right:20px;">
{| border="1"
|+ Sonderzeichen
! Code !! Zeichen
|-
| 432b || !
|-
| 7c0c || #
|-
| 62da || $
|-
| 112f || %
|-
| 0e27 || &
|-
| 0409 || '
|-
| 2692 || (
|-
| 6b27 || )
|-
| 5721 || *
|-
| 56fd || +
|-
| 789b || ,
|-
| aeb7 || -
|-
| 6e93 || .
|-
| a837 || /
|-
| 54e5 || ;
|-
| 76b1 || <
|-
| 3dd0 || =
|-
| 7b44 || >
|-
| 923d || @
|-
| 493f || [
|-
| 6a15 || ]
|-
| 8991 || ^
|-
| 6873 || _
|-
| 51ed || `
|-
| 45ea || {
|-
| 1d54 || <nowiki>|</nowiki>
|-
| 2545 || }
|-
| 4092 || ~
|}
</div>

<div style="float:left;>
{| border="1"
|+ Umlaute
! Code !! Zeichen
|-
| 3240 || Ä
|-
| 28b7 || Ö
|-
| 3ada || Ü
|-
| 8c24 || ä
|-
| 16da || ö
|-
| 4a5b || ü
|}
</div>

<hr style="clear:both;" />

== Python-Modul zum verschleiern/entschleiern ==
<pre><nowiki>
# -*- coding: utf-8 -*-
"""
STiNE filetransfer.exe decoder/encoder
Copyright (c) 2008 Henning Pridöhl
MIT License - http://www.opensource.org/licenses/mit-license.php
This module is for decoding and encoding of the filetransfer.exe parameter
of STiNE. It consists of three functions:
1) string encoded_parameter encode_transfer(string query_string)
2) string decoded_query_string decode_transfer(string encoded_parameter)
3) string encoded_parameter build_transfer(
session, fnsrc, fndest, installdir='./', subdir='temp')

Please note that the code table doesn't contain the complete ASCII!
Feel free to add missing codes.

== Usage ==
Encoding:
>>> encode_transfer('mode=download&installdir=./&session=333090280767182&fnsrc=f333043751172556.cache&fndest=OnlineKontrollausdruck.pdf&subdir=temp')
'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'

Decoding:
>>> decode_transfer('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')
'mode=download&installdir=./&session=333090280767182&fnsrc=f333043751172556.cache&fndest=OnlineKontrollausdruck.pdf&subdir=temp'

Decoding with unknown codes results in '?' (f00b is unknown)
>>> decode_transfer('f00b781f7b4f')
'?ar'

Building the transfer easily
>>> build_transfer(333090280767182, 'f333043751172556.cache', 'OnlineKontrollausdruck.pdf')
'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'

Debug decoding (e.g. for adding new codes to the code table)
Just join the result with "\n" and display it :)
>>> decode_transfer('21042d782d78a007781f7b4f', True)
('2104 2d78 2d78 a007 781f 7b4f', 'f o o b a r ')
"""

code_table = """
8977 0
2018 1
a8b1 2
3dc2 3
3b98 4
4423 5
6950 6
9ee7 7
7678 8
ac3b 9
478b A
76fd B
4886 C
92d1 D
3ace E
3322 F
4b34 G
b7f7 H
a4bf I
a59e J
2331 K
b90e L
6296 M
81e8 O
9eb8 P
0d21 Q
5a84 R
9396 S
642a T
0682 U
7df7 V
0a17 W
a14e X
284a Y
a2ec Z
781f a
a007 b
7abe c
b84f d
b91d e
2104 f
94f2 g
6e19 h
644d i
2cba k
2906 l
8606 m
46df n
2d78 o
15c8 p
8be3 q
7b4f r
27c2 s
04c6 t
98cb u
6141 v
06db w
594e x
5977 y
9d29 z
432b !
7c0c #
62da $
112f %
0e27 &
0409 '
2692 (
6b27 )
5721 *
56fd +
789b ,
aeb7 -
6e93 .
a837 /
54e5 ;
76b1 <
3dd0 =
7b44 >
923d @
493f [
6a15 ]
8991 ^
6873 _
51ed `
45ea {
1d54 |
2545 }
4092 ~
3240 Ä
28b7 Ö
3ada Ü
8c24 ä
16da ö
4a5b ü
""".strip()

decode_dict = {}
encode_dict = {}
for line in code_table.split('\n'):
code, char = line.split()
decode_dict[code] = char
encode_dict[char] = code

del code_table

def encode_transfer(plain):
"""Encodes a transfer name
>>> encode_transfer('foobar')
'21042d782d78a007781f7b4f'
"""
return ''.join([encode_dict.get(x, '????') for x in plain])

def decode_transfer(encoded, debug=False):
"""Decodes a transfer name
>>> decode_transfer('21042d782d78a007781f7b4f')
'foobar'
"""
encoded = encoded.replace('https://www.stine.uni-hamburg.de/scripts/', '') \
.replace('filetransfer.exe?', '')
try:
if len(encoded) % 4 != 0:
raise
if not debug:
return ''.join([decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
else:
return (
' '.join([encoded[i*4:(i+1)*4]
for i in xrange(len(encoded)/4)]),
' '.join(['%s ' % decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
)
except:
raise ValueError('encoded string is malformed!')

def build_transfer(session, fnsrc, fndest, installdir='./', subdir='temp'):
"""Builds an transfer name by given url parameters
>>> import hashlib; hashlib.sha1(
... build_transfer(333090280767182, 'f00.cache', 'foo.pdf')
... ).hexdigest()
'c6fa3a7e5cdf544f2d01978d084ea0e4aca6beb3'
"""
return encode_transfer(
'mode=download&installdir=%s&session=%s&fnsrc=%s&fndest=%s&subdir=%s'
% (installdir, session, fnsrc, fndest, subdir)
)

if __name__ == '__main__':
import doctest
doctest.testmod()

</nowiki>
</pre>

[[Kategorie: STiNE]]

STiNE-filetransfer.exe

2008-09-25T01:06:37Z

Blackmole: Zeichenliste deutlich ergänzt (sowohl Tabellen als Python-Modul)

Die Dokumente unter dem Menüpunkt "Meine Dokumente" werden von der filetransfer.exe (https://www.stine.uni-hamburg.de/scripts/filetransfer.exe) ausgeliefert.

== Aufbau der verschleierten URL ==
/scripts/filetransfer.exe?[lange hexzeichenkette]

== Aufbau der Klartext-URL ==
<pre>
mode=download&installdir=./&session=[Session-ID 15N]&fnsrc=f[15N (bei mir alle 15N, evt. auch mehr/weniger)].cache&fndest=[Auslieferungsdateiname]&subdir=temp
</pre>
Beispiel einer gültigen URL:
<pre>
mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp
</pre>

== Aufbau der Hexzeichenkette ==
Es wird ein einfaches Substitutionsverfahren verwendet. Jedes Zeichen wird durch einen vierstelligen Hexcode ersetzt. Eventuell ist hier noch ein Muster drin, momentan ist jedoch keines bekannt.
=== Ersetzungstabelle ===
Die Liste ist nun zum größten Teil vollständig. Es fehlt noch das Leerzeichen sowie eher ungebräuchlichere ASCII-Codes, insbesondere Steuerzeichen.

<div style="float:left; margin-right:20px;">
==== Zahlen ====
{| border="1"
! Code !! Zeichen
|-
| 8977 || 0
|-
| 2018 || 1
|-
| a8b1 || 2
|-
| 3dc2 || 3
|-
| 3b98 || 4
|-
| 4423 || 5
|-
| 6950 || 6
|-
| 9ee7 || 7
|-
| 7678 || 8
|-
| ac3b || 9
|}
</div>

<div style="float:left; margin-right:20px;">
==== Großbuchstaben ====

{| border="1"
! Code !! Zeichen
|-
| 478b || A
|-
| 76fd || B
|-
| 4886 || C
|-
| 92d1 || D
|-
| 3ace || E
|-
| 3322 || F
|-
| 4b34 || G
|-
| b7f7 || H
|-
| a4bf || I
|-
| a59e || J
|-
| 2331 || K
|-
| b90e || L
|-
| 6296 || M
|-
| 81e8 || O
|-
| 9eb8 || P
|-
| 0d21 || Q
|-
| 5a84 || R
|-
| 9396 || S
|-
| 642a || T
|-
| 0682 || U
|-
| 7df7 || V
|-
| 0a17 || W
|-
| a14e || X
|-
| 284a || Y
|-
| a2ec || Z
|}
</div>

<div style="float:left; margin-right:20px;">
==== Kleinbuchstaben ====
{| border="1"
! Code !! Zeichen
|-
| 781f || a
|-
| a007 || b
|-
| 7abe || c
|-
| b84f || d
|-
| b91d || e
|-
| 2104 || f
|-
| 94f2 || g
|-
| 6e19 || h
|-
| 644d || i
|-
| 2cba || k
|-
| 2906 || l
|-
| 8606 || m
|-
| 46df || n
|-
| 2d78 || o
|-
| 15c8 || p
|-
| 8be3 || q
|-
| 7b4f || r
|-
| 27c2 || s
|-
| 04c6 || t
|-
| 98cb || u
|-
| 6141 || v
|-
| 06db || w
|-
| 594e || x
|-
| 5977 || y
|-
| 9d29 || z
|}
</div>

<div style="float:left; margin-right:20px;">
==== Sonderzeichen ====

{| border="1"
! Code !! Zeichen
|-
| 432b || !
|-
| 7c0c || #
|-
| 62da || $
|-
| 112f || %
|-
| 0e27 || &
|-
| 0409 || '
|-
| 2692 || (
|-
| 6b27 || )
|-
| 5721 || *
|-
| 56fd || +
|-
| 789b || ,
|-
| aeb7 || -
|-
| 6e93 || .
|-
| a837 || /
|-
| 54e5 || ;
|-
| 76b1 || <
|-
| 3dd0 || =
|-
| 7b44 || >
|-
| 923d || @
|-
| 493f || [
|-
| 6a15 || ]
|-
| 8991 || ^
|-
| 6873 || _
|-
| 51ed || `
|-
| 45ea || {
|-
| 1d54 || <nowiki>|</nowiki>
|-
| 2545 || }
|-
| 4092 || ~
|}
</div>

==== Umlaute ====
<div style="float:left;>
{| border="1"
! Code !! Zeichen
|-
| 3240 || Ä
|-
| 28b7 || Ö
|-
| 3ada || Ü
|-
| 8c24 || ä
|-
| 16da || ö
|-
| 4a5b || ü
|}
</div>

<hr style="clear:both;" />

== Python-Modul zum verschleiern/entschleiern ==
<pre><nowiki>
# -*- coding: utf-8 -*-
"""
STiNE filetransfer.exe decoder/encoder
Copyright (c) 2008 Henning Pridöhl
MIT License - http://www.opensource.org/licenses/mit-license.php
This module is for decoding and encoding of the filetransfer.exe parameter
of STiNE. It consists of three functions:
1) string encoded_parameter encode_transfer(string query_string)
2) string decoded_query_string decode_transfer(string encoded_parameter)
3) string encoded_parameter build_transfer(
session, fnsrc, fndest, installdir='./', subdir='temp')

Please note that the code table doesn't contain the complete ASCII!
Feel free to add missing codes.

== Usage ==
Encoding:
>>> encode_transfer('mode=download&installdir=./&session=333090280767182&fnsrc=f333043751172556.cache&fndest=OnlineKontrollausdruck.pdf&subdir=temp')
'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'

Decoding:
>>> decode_transfer('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')
'mode=download&installdir=./&session=333090280767182&fnsrc=f333043751172556.cache&fndest=OnlineKontrollausdruck.pdf&subdir=temp'

Decoding with unknown codes results in '?' (f00b is unknown)
>>> decode_transfer('f00b781f7b4f')
'?ar'

Building the transfer easily
>>> build_transfer(333090280767182, 'f333043751172556.cache', 'OnlineKontrollausdruck.pdf')
'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'

Debug decoding (e.g. for adding new codes to the code table)
Just join the result with "\n" and display it :)
>>> decode_transfer('21042d782d78a007781f7b4f', True)
('2104 2d78 2d78 a007 781f 7b4f', 'f o o b a r ')
"""

code_table = """
8977 0
2018 1
a8b1 2
3dc2 3
3b98 4
4423 5
6950 6
9ee7 7
7678 8
ac3b 9
478b A
76fd B
4886 C
92d1 D
3ace E
3322 F
4b34 G
b7f7 H
a4bf I
a59e J
2331 K
b90e L
6296 M
81e8 O
9eb8 P
0d21 Q
5a84 R
9396 S
642a T
0682 U
7df7 V
0a17 W
a14e X
284a Y
a2ec Z
781f a
a007 b
7abe c
b84f d
b91d e
2104 f
94f2 g
6e19 h
644d i
2cba k
2906 l
8606 m
46df n
2d78 o
15c8 p
8be3 q
7b4f r
27c2 s
04c6 t
98cb u
6141 v
06db w
594e x
5977 y
9d29 z
432b !
7c0c #
62da $
112f %
0e27 &
0409 '
2692 (
6b27 )
5721 *
56fd +
789b ,
aeb7 -
6e93 .
a837 /
54e5 ;
76b1 <
3dd0 =
7b44 >
923d @
493f [
6a15 ]
8991 ^
6873 _
51ed `
45ea {
1d54 |
2545 }
4092 ~
3240 Ä
28b7 Ö
3ada Ü
8c24 ä
16da ö
4a5b ü
""".strip()

decode_dict = {}
encode_dict = {}
for line in code_table.split('\n'):
code, char = line.split()
decode_dict[code] = char
encode_dict[char] = code

del code_table

def encode_transfer(plain):
"""Encodes a transfer name
>>> encode_transfer('foobar')
'21042d782d78a007781f7b4f'
"""
return ''.join([encode_dict.get(x, '????') for x in plain])

def decode_transfer(encoded, debug=False):
"""Decodes a transfer name
>>> decode_transfer('21042d782d78a007781f7b4f')
'foobar'
"""
encoded = encoded.replace('https://www.stine.uni-hamburg.de/scripts/', '') \
.replace('filetransfer.exe?', '')
try:
if len(encoded) % 4 != 0:
raise
if not debug:
return ''.join([decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
else:
return (
' '.join([encoded[i*4:(i+1)*4]
for i in xrange(len(encoded)/4)]),
' '.join(['%s ' % decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
)
except:
raise ValueError('encoded string is malformed!')

def build_transfer(session, fnsrc, fndest, installdir='./', subdir='temp'):
"""Builds an transfer name by given url parameters
>>> import hashlib; hashlib.sha1(
... build_transfer(333090280767182, 'f00.cache', 'foo.pdf')
... ).hexdigest()
'c6fa3a7e5cdf544f2d01978d084ea0e4aca6beb3'
"""
return encode_transfer(
'mode=download&installdir=%s&session=%s&fnsrc=%s&fndest=%s&subdir=%s'
% (installdir, session, fnsrc, fndest, subdir)
)

if __name__ == '__main__':
import doctest
doctest.testmod()

</nowiki>
</pre>

[[Kategorie: STiNE]]

STiNE-filetransfer.exe

2008-09-24T17:23:58Z

Blackmole: Bugfix Python-Modul: mode=downloads => mode=download

Die Dokumente unter dem Menüpunkt "Meine Dokumente" werden von der filetransfer.exe (https://www.stine.uni-hamburg.de/scripts/filetransfer.exe) ausgeliefert.

== Aufbau der verschleierten URL ==
/scripts/filetransfer.exe?[lange hexzeichenkette]

== Aufbau der Klartext-URL ==
<pre>
mode=download&installdir=./&session=[Session-ID 15N]&fnsrc=f[15N (bei mir alle 15N, evt. auch mehr/weniger)].cache&fndest=[Auslieferungsdateiname]&subdir=temp
</pre>
Beispiel einer gültigen URL:
<pre>
mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp
</pre>

== Aufbau der Hexzeichenkette ==
Es wird ein einfaches Substitutionsverfahren verwendet. Jedes Zeichen wird durch einen vierstelligen Hexcode ersetzt. Eventuell ist hier noch ein Muster drin, momentan ist jedoch keines bekannt.
=== Ersetzungstabelle ===
Diese Tabelle ist nicht vollständig, sie enthält nur einen Teil des ASCII! Ergänzungen werden gerne gesehen, bitte dann auch das Python-Modul ergänzen.

<div style="float:left; margin-right:20px;">
==== Sonderzeichen ====

{| border="1"
! Code !! Zeichen
|-
| 0e27 || &
|-
| 6e93 || .
|-
| a837 || /
|-
| 3dd0 || =
|}
</div>

<div style="float:left; margin-right:20px;">
==== Zahlen ====
{| border="1"
! Code !! Zeichen
|-
| 8977 || 0
|-
| 2018 || 1
|-
| a8b1 || 2
|-
| 3dc2 || 3
|-
| 3b98 || 4
|-
| 4423 || 5
|-
| 6950 || 6
|-
| 9ee7 || 7
|-
| 7678 || 8
|-
| ac3b || 9
|-
|}
</div>

<div style="float:left; margin-right:20px;">
==== Großbuchstaben ====

{| border="1"
! Code !! Zeichen
|-
| 76fd || B
|-
| a4bf || I
|-
| 2331 || K
|-
| 81e8 || O
|-
| 9396 || S
|-
| 7df7 || V
|-
| 0a17 || W
|-
| a2ec || Z
|}
</div>

<div>
==== Kleinbuchstaben ====
{| border="1"
! Code !! Zeichen
|-
| 781f || a
|-
| a007 || b
|-
| 7abe || c
|-
| b84f || d
|-
| b91d || e
|-
| 2104 || f
|-
| 94f2 || g
|-
| 6e19 || h
|-
| 644d || i
|-
| 2cba || k
|-
| 2906 || l
|-
| 8606 || m
|-
| 46df || n
|-
| 2d78 || o
|-
| 15c8 || p
|-
| 7b4f || r
|-
| 27c2 || s
|-
| 04c6 || t
|-
| 98cb || u
|-
| 06db || w
|}
</div>

== Python-Modul zum verschleiern/entschleiern ==
<pre><nowiki>
# -*- coding: utf-8 -*-
"""
STiNE filetransfer.exe decoder/encoder
Copyright (c) 2008 Henning Pridöhl
MIT License - http://www.opensource.org/licenses/mit-license.php
This module is for decoding and encoding of the filetransfer.exe parameter
of STiNE. It consists of three functions:
1) string encoded_parameter encode_transfer(string query_string)
2) string decoded_query_string decode_transfer(string encoded_parameter)
3) string encoded_parameter build_transfer(
session, fnsrc, fndest, installdir='./', subdir='temp')

Please note that the code table doesn't contain the complete ASCII!
Feel free to add missing codes.

== Usage ==
Encoding:
>>> encode_transfer('mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp')
'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'

Decoding:
>>> decode_transfer('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')
'mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp'

Building the transfer easily
>>> build_transfer(333095970339915, 'f332804257938329.cache', 'OnlineBeitragsbescheid.pdf')
'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'

Debug decoding (e.g. for adding new codes to the code table)
Just join the result with "\n" and display it :)
>>> decode_transfer('21042d782d78a007781f7b4f', True)
('2104 2d78 2d78 a007 781f 7b4f', 'f o o b a r ')
"""

code_table = """
0e27 &
6e93 .
a837 /
8977 0
2018 1
a8b1 2
3dc2 3
3b98 4
4423 5
6950 6
9ee7 7
7678 8
ac3b 9
3dd0 =
76fd B
a4bf I
2331 K
81e8 O
9396 S
7df7 V
0a17 W
a2ec Z
781f a
a007 b
7abe c
b84f d
b91d e
2104 f
94f2 g
6e19 h
644d i
2cba k
2906 l
8606 m
46df n
2d78 o
15c8 p
7b4f r
27c2 s
04c6 t
98cb u
06db w
""".strip()

decode_dict = {}
encode_dict = {}
for line in code_table.split('\n'):
code, char = line.split()
decode_dict[code] = char
encode_dict[char] = code

del code_table

def encode_transfer(plain):
"""Encodes a transfer name
>>> encode_transfer('foobar')
'21042d782d78a007781f7b4f'
"""
return ''.join([encode_dict.get(x, '????') for x in plain])

def decode_transfer(encoded, debug=False):
"""Decodes a transfer name
>>> decode_transfer('21042d782d78a007781f7b4f')
'foobar'
"""
encoded = encoded.replace('https://www.stine.uni-hamburg.de/scripts/', '') \
.replace('filetransfer.exe?', '')
try:
if len(encoded) % 4 != 0:
raise
if not debug:
return ''.join([decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
else:
return (
' '.join([encoded[i*4:(i+1)*4]
for i in xrange(len(encoded)/4)]),
' '.join(['%s ' % decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
)
except:
raise ValueError('encoded string is malformed!')

def build_transfer(session, fnsrc, fndest, installdir='./', subdir='temp'):
"""Builds an transfer name by given url parameters
>>> import hashlib; hashlib.sha1(
... build_transfer(333090280767182, 'f00.cache', 'foo.pdf')
... ).hexdigest()
'aa984c9bdf8d447f6a2845c0116cb9775cb1f779'
"""
return encode_transfer(
'mode=download&installdir=%s&session=%s&fnsrc=%s&fndest=%s&subdir=%s'
% (installdir, session, fnsrc, fndest, subdir)
)

if __name__ == '__main__':
import doctest
doctest.testmod()

</nowiki>
</pre>

[[Kategorie: STiNE]]

STiNE-filetransfer.exe

2008-09-24T15:23:18Z

Blackmole: Die Seite wurde neu angelegt: Die Dokumente unter dem Menüpunkt "Meine Dokumente" werden von der filetransfer.exe (https://www.stine.uni-hamburg.de/scripts/filetransfer.exe) ausgeliefert. == Aufba...

Die Dokumente unter dem Menüpunkt "Meine Dokumente" werden von der filetransfer.exe (https://www.stine.uni-hamburg.de/scripts/filetransfer.exe) ausgeliefert.

== Aufbau der verschleierten URL ==
/scripts/filetransfer.exe?[lange hexzeichenkette]

== Aufbau der Klartext-URL ==
<pre>
mode=download&installdir=./&session=[Session-ID 15N]&fnsrc=f[15N (bei mir alle 15N, evt. auch mehr/weniger)].cache&fndest=[Auslieferungsdateiname]&subdir=temp
</pre>
Beispiel einer gültigen URL:
<pre>
mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp
</pre>

== Aufbau der Hexzeichenkette ==
Es wird ein einfaches Substitutionsverfahren verwendet. Jedes Zeichen wird durch einen vierstelligen Hexcode ersetzt. Eventuell ist hier noch ein Muster drin, momentan ist jedoch keines bekannt.
=== Ersetzungstabelle ===
Diese Tabelle ist nicht vollständig, sie enthält nur einen Teil des ASCII! Ergänzungen werden gerne gesehen, bitte dann auch das Python-Modul ergänzen.

<div style="float:left; margin-right:20px;">
==== Sonderzeichen ====

{| border="1"
! Code !! Zeichen
|-
| 0e27 || &
|-
| 6e93 || .
|-
| a837 || /
|-
| 3dd0 || =
|}
</div>

<div style="float:left; margin-right:20px;">
==== Zahlen ====
{| border="1"
! Code !! Zeichen
|-
| 8977 || 0
|-
| 2018 || 1
|-
| a8b1 || 2
|-
| 3dc2 || 3
|-
| 3b98 || 4
|-
| 4423 || 5
|-
| 6950 || 6
|-
| 9ee7 || 7
|-
| 7678 || 8
|-
| ac3b || 9
|-
|}
</div>

<div style="float:left; margin-right:20px;">
==== Großbuchstaben ====

{| border="1"
! Code !! Zeichen
|-
| 76fd || B
|-
| a4bf || I
|-
| 2331 || K
|-
| 81e8 || O
|-
| 9396 || S
|-
| 7df7 || V
|-
| 0a17 || W
|-
| a2ec || Z
|}
</div>

<div>
==== Kleinbuchstaben ====
{| border="1"
! Code !! Zeichen
|-
| 781f || a
|-
| a007 || b
|-
| 7abe || c
|-
| b84f || d
|-
| b91d || e
|-
| 2104 || f
|-
| 94f2 || g
|-
| 6e19 || h
|-
| 644d || i
|-
| 2cba || k
|-
| 2906 || l
|-
| 8606 || m
|-
| 46df || n
|-
| 2d78 || o
|-
| 15c8 || p
|-
| 7b4f || r
|-
| 27c2 || s
|-
| 04c6 || t
|-
| 98cb || u
|-
| 06db || w
|}
</div>

== Python-Modul zum verschleiern/entschleiern ==
<pre><nowiki>
# -*- coding: utf-8 -*-
"""
STiNE filetransfer.exe decoder/encoder
Copyright (c) 2008 Henning Pridöhl
MIT License - http://www.opensource.org/licenses/mit-license.php
This module is for decoding and encoding of the filetransfer.exe parameter
of STiNE. It consists of three functions:
1) string encoded_parameter encode_transfer(string query_string)
2) string decoded_query_string decode_transfer(string encoded_parameter)
3) string encoded_parameter build_transfer(
session, fnsrc, fndest, installdir='./', subdir='temp')

Please note that the code table doesn't contain the complete ASCII!
Feel free to add missing codes.

== Usage ==
Encoding:
>>> encode_transfer('mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp')
'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'

Decoding:
>>> decode_transfer('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')
'mode=download&installdir=./&session=333095970339915&fnsrc=f332804257938329.cache&fndest=OnlineBeitragsbescheid.pdf&subdir=temp'

Building the transfer easily
>>> build_transfer(333095970339915, 'f332804257938329.cache', 'OnlineBeitragsbescheid.pdf')
'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'

Debug decoding (e.g. for adding new codes to the code table)
Just join the result with "\n" and display it :)
>>> decode_transfer('21042d782d78a007781f7b4f', True)
('2104 2d78 2d78 a007 781f 7b4f', 'f o o b a r ')
"""

code_table = """
0e27 &
6e93 .
a837 /
8977 0
2018 1
a8b1 2
3dc2 3
3b98 4
4423 5
6950 6
9ee7 7
7678 8
ac3b 9
3dd0 =
76fd B
a4bf I
2331 K
81e8 O
9396 S
7df7 V
0a17 W
a2ec Z
781f a
a007 b
7abe c
b84f d
b91d e
2104 f
94f2 g
6e19 h
644d i
2cba k
2906 l
8606 m
46df n
2d78 o
15c8 p
7b4f r
27c2 s
04c6 t
98cb u
06db w
""".strip()

decode_dict = {}
encode_dict = {}
for line in code_table.split('\n'):
code, char = line.split()
decode_dict[code] = char
encode_dict[char] = code

del code_table

def encode_transfer(plain):
"""Encodes a transfer name
>>> encode_transfer('foobar')
'21042d782d78a007781f7b4f'
"""
return ''.join([encode_dict.get(x, '????') for x in plain])

def decode_transfer(encoded, debug=False):
"""Decodes a transfer name
>>> decode_transfer('21042d782d78a007781f7b4f')
'foobar'
"""
encoded = encoded.replace('https://www.stine.uni-hamburg.de/scripts/', '') \
.replace('filetransfer.exe?', '')
try:
if len(encoded) % 4 != 0:
raise
if not debug:
return ''.join([decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
else:
return (
' '.join([encoded[i*4:(i+1)*4]
for i in xrange(len(encoded)/4)]),
' '.join(['%s ' % decode_dict.get(encoded[i*4:(i+1)*4], '?')
for i in xrange(len(encoded)/4)])
)
except:
raise ValueError('encoded string is malformed!')

def build_transfer(session, fnsrc, fndest, installdir='./', subdir='temp'):
"""Builds an transfer name by given url parameters
>>> import hashlib; hashlib.sha1(
... build_transfer(333090280767182, 'f00.cache', 'foo.pdf')
... ).hexdigest()
'aa984c9bdf8d447f6a2845c0116cb9775cb1f779'
"""
return encode_transfer(
'mode=downloads&installdir=%s&session=%s&fnsrc=%s&fndest=%s&subdir=%s'
% (installdir, session, fnsrc, fndest, subdir)
)

if __name__ == '__main__':
import doctest
doctest.testmod()

</nowiki>
</pre>

[[Kategorie: STiNE]]