ward/ripnews
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

some more ydecode hacking

Browse source
This commit is contained in:
Ward Wouts 2002-08-18 22:59:20 +00:00
parent ffe0a85311
commit e1a489354b
1 changed files with 59 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

95
trunk/ripnews/news/article.rb
View file

@ -49,6 +49,7 @@ def initialize(nntpservers, groupname, newsrc="~/.newsrc")
del_server(server) del_server(server)
end end
} }
@ymap = {}
end end
def reconnect(server) def reconnect(server)
@ -693,6 +694,12 @@ end
####################################################################### #######################################################################
def ydecode(data, outfile=nil) def ydecode(data, outfile=nil)
if @ymap.empty?
(-106..255).each do |b|
@ymap[b]=((b-42)%256)
end
end
case data.type.to_s case data.type.to_s
when "Array" when "Array"
print "Calling _ydecode_array\n" if Debuglevel>0 print "Calling _ydecode_array\n" if Debuglevel>0
@ -710,6 +717,21 @@ def ydecode(data, outfile=nil)
return mode, filename, body return mode, filename, body
end end
def _ydecode_line(line)
i = 0
ll = line.length
ostr = ''
while i < ll
if line[i] == 0x3d
i += 1
line[i] -= 64
end
ostr << @ymap[line[i]]
i += 1
end
return ostr, ostr.length
end
def _ydecode_file(file, outfile) def _ydecode_file(file, outfile)
mode = 0600 mode = 0600
filename = "unknown" filename = "unknown"
@ -718,11 +740,7 @@ def _ydecode_file(file, outfile)
bytes = 0 bytes = 0
total = 0 total = 0
oldpartend = 0 oldpartend = 0
search_begin = false
ymap = {}
(-106..255).each do |b|
ymap[b]=((b-42)%256)
end
while (! file.eof) while (! file.eof)
line = file.gets line = file.gets
@ -782,13 +800,13 @@ def _ydecode_file(file, outfile)
end end
return mode, filename return mode, filename
end end
search_begin = 1 search_begin = true
bytes = 0 bytes = 0
next next
end end
if search_begin && line =~ /^\=ybegin\s+(.*)\Z/ if search_begin && line =~ /^\=ybegin\s+(.*)\Z/
m = $1 m = $1
search_begin = 0 search_begin = false
if m =~ /^\s*(part\=(\d+)\s+)?(total\=(\d+)\s+)?(line\=(\d+))(\s*size\=(\d+))(\s*name=(.*))\Z/ if m =~ /^\s*(part\=(\d+)\s+)?(total\=(\d+)\s+)?(line\=(\d+))(\s*size\=(\d+))(\s*name=(.*))\Z/
part = $2.to_i part = $2.to_i
total = $4.to_i total = $4.to_i
@ -799,7 +817,7 @@ def _ydecode_file(file, outfile)
end end
next next
end end
if search_begin == 1 if search_begin == true
next next
end end
if line =~ /^=ypart\s+(\s*begin=(\d+))(\s+end=(\d+))/ if line =~ /^=ypart\s+(\s*begin=(\d+))(\s+end=(\d+))/
@ -820,19 +838,20 @@ def _ydecode_file(file, outfile)
# print "linesize mismatch, was #{line.length}, should be #{linesize}...\n" # print "linesize mismatch, was #{line.length}, should be #{linesize}...\n"
# end # end
i = 0 # i = 0
ll = line.length # ll = line.length
ostr = '' # ostr = ''
while i < ll # while i < ll
if line[i] == 0x3d # if line[i] == 0x3d
i += 1 # i += 1
line[i] -= 64 # line[i] -= 64
end # end
ostr << ymap[line[i]] # ostr << ymap[line[i]]
i += 1 # i += 1
end # end
ostr, ostrl = _ydecode_line(line)
outfile << ostr outfile << ostr
bytes += ostr.length bytes += ostrl
end end
print "No \"=yend\" found!!!\n" print "No \"=yend\" found!!!\n"
@ -846,13 +865,14 @@ def _ydecode_array(data)
filename = "unknown" filename = "unknown"
c = 0 c = 0
lines = data.length lines = data.length
bytes = 0
percent = 0 percent = 0
mark = lines/100 mark = lines/100
ymap = {} # ymap = {}
(-106..255).each do |b| # (-106..255).each do |b|
ymap[b]=((b-42)%256) # ymap[b]=((b-42)%256)
end # end
i = 0 i = 0
while (i < data.length) while (i < data.length)
@ -906,19 +926,22 @@ def _ydecode_array(data)
# print "#{i}: linesize mismatch, was #{line.length}, should be #{linesize}...\n" # print "#{i}: linesize mismatch, was #{line.length}, should be #{linesize}...\n"
# end # end
i = 0 # j = 0
ll = line.length # ll = line.length
ostr = '' # ostr = ''
while i < ll # while j < ll
if line[i] == 0x3d # if line[j] == 0x3d
i += 1 # j += 1
line[i] -= 64 # line[j] -= 64
end # end
ostr << ymap[line[i]] # ostr << ymap[line[j]]
i += 1 # j += 1
end # end
# decode << ostr
# bytes += ostr.length
ostr, ostrl = _ydecode_line(line)
decode << ostr decode << ostr
bytes += ostr.length bytes += ostrl
# special = 0 # special = 0
# str = "" # str = ""