verse
0ce6d4a1e2fd
plugins/jingle_ft.lua

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plugins/jingle_ft.lua @ 372:0ce6d4a1e2fd

Makefile: Add 'install' target
author Matthew Wild <mwild1@gmail.com>
date Fri, 01 Jan 2016 15:41:04 +0000
parent 250:a5ac643a7fd6
child 379:d80d27234e38
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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a5ac643a7fd6 added local verse var to all plugins
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1 local verse = require "verse";
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2 local ltn12 = require "ltn12";
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3
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4 local dirsep = package.config:sub(1,1);
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5
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6 local xmlns_jingle_ft = "urn:xmpp:jingle:apps:file-transfer:1";
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7 local xmlns_si_file_transfer = "http://jabber.org/protocol/si/profile/file-transfer";
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8
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9 function verse.plugins.jingle_ft(stream)
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10 stream:hook("ready", function ()
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11 stream:add_disco_feature(xmlns_jingle_ft);
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12 end, 10);
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13
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641c0a1bb330 plugins.jingle_ft: Change content 'name' field to 'type' to avoid confusion with the 'name' attribute of the <content> tag in Jingle
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14 local ft_content = { type = "file" };
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16 function ft_content:generate_accept(description, options)
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17 if options and options.save_file then
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18 self.jingle:hook("connected", function ()
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19 local sink = ltn12.sink.file(io.open(options.save_file, "w+"));
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20 self.jingle:set_sink(sink);
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21 end);
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22 end
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23
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24 return description;
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25 end
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26
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27 local ft_mt = { __index = ft_content };
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28 stream:hook("jingle/content/"..xmlns_jingle_ft, function (jingle, description_tag)
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29 local file_tag = description_tag:get_child("offer"):get_child("file", xmlns_si_file_transfer);
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30 local file = {
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31 name = file_tag.attr.name;
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32 size = tonumber(file_tag.attr.size);
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33 };
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34
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35 return setmetatable({ jingle = jingle, file = file }, ft_mt);
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36 end);
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37
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38 stream:hook("jingle/describe/file", function (file_info)
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39 -- Return <description/>
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40 local date;
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41 if file_info.timestamp then
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42 date = os.date("!%Y-%m-%dT%H:%M:%SZ", file_info.timestamp);
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43 end
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44 return verse.stanza("description", { xmlns = xmlns_jingle_ft })
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45 :tag("offer")
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46 :tag("file", { xmlns = xmlns_si_file_transfer,
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47 name = file_info.filename, -- Mandatory
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48 size = file_info.size, -- Mandatory
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49 date = date,
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50 hash = file_info.hash,
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51 })
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52 :tag("desc"):text(file_info.description or "");
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53 end);
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54
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55 function stream:send_file(to, filename)
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56 local file, err = io.open(filename);
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57 if not file then return file, err; end
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58
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59 local file_size = file:seek("end", 0);
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60 file:seek("set", 0);
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61
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62 local source = ltn12.source.file(file);
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63
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ccb8ecde8b09 plugins.jingle_ft: Fix global access
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64 local jingle = self:jingle(to);
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65 jingle:offer("file", {
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66 filename = filename:match("[^"..dirsep.."]+$");
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67 size = file_size;
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68 });
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69 jingle:hook("connected", function ()
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70 jingle:set_source(source, true);
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71 end);
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72 return jingle;
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73 end
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74 end