--[[ Copyright (c) 2011-2015, Vsevolod Stakhov All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ]]-- -- Detect language of message and selects appropriate statfiles for it -- Common labels for specific statfiles local many_recipients_label = 'many recipients' local undisclosed_recipients_label = 'undisclosed recipients' local list_label = 'maillist' local long_subject_label = 'long subject' -- Get specific statfiles set based on message rules local function get_specific_statfiles(classifier, task) if not table.foreach then table.foreach = function(t, f) for k, v in pairs(t) do f(k, v) end end end local spec_st = {} -- More 5 recipients local st_many = classifier:get_statfile_by_label(many_recipients_label) if st_many then rcpt = task:get_recipients(2) if rcpt and table.maxn(rcpt) > 5 then print(table.maxn(rcpt)) table.foreach(st_many, function(i,v) table.insert(spec_st,v) end) end end -- Undisclosed local st_undisc = classifier:get_statfile_by_label(undisclosed_recipients_label) if st_undisc then rcpt = task:get_recipients(2) if rcpt and table.maxn(rcpt) == 0 then table.foreach(st_undisc, function(i,v) table.insert(spec_st,v) end) end end -- Maillist local st_maillist = classifier:get_statfile_by_label(list_label) if st_maillist then local unsub_header = task:get_header_raw('List-Unsubscribe') if unsub_header then table.foreach(st_maillist, function(i,v) table.insert(spec_st,v) end) end end -- Long subject local st_longsubj = classifier:get_statfile_by_label(long_subject_label) if st_longsubj then local subj = task:get_header_raw('Subject') if subj and string.len(subj) > 150 then table.foreach(st_longsubj, function(i,v) table.insert(spec_st,v) end) end end if table.maxn(spec_st) > 1 then return spec_st else return nil end end classifiers['bayes'] = function(classifier, task, is_learn, is_spam) -- Subfunction for detection of message's language local detect_language = function(task) local parts = task:get_text_parts() for _,p in ipairs(parts) do local l = p:get_language() if l then return l end end return nil end -- Main procedure local selected = {} local spec_st = get_specific_statfiles(classifier, task) if spec_st then if is_learn then return spec_st else -- Merge tables table.foreach(spec_st, function(i,v) table.insert(selected,v) end) end end -- Detect statfile by language language = detect_language(task) if language then -- Find statfiles with specified language for _,st in ipairs(classifier:get_statfiles()) do -- Skip labeled statfiles if not st:get_label() then local st_l = st:get_param('language') if st_l and st_l == language then -- Insert statfile with specified language table.insert(selected, st) end end end if table.maxn(selected) > 1 then return selected end end -- Language not detected or specific language statfiles have not been found for _,st in ipairs(classifier:get_statfiles()) do -- Skip labeled statfiles if not st:get_label() then local st_l = st:get_param('language') -- Insert only statfiles without language if not st_l then table.insert(selected, st) end end end if table.maxn(selected) > 1 then return selected end return nil end ng_a_secondly_created_file'>artonge/fix/opening_a_secondly_created_file Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data
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