prosody-modules
3a104a900af1
mod_pubsub_feeds/mod_pubsub_feeds.lua

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mod_pubsub_feeds/mod_pubsub_feeds.lua @ 2929:3a104a900af1

mod_register_web: Pass username to generate_register_response
author Michel Le Bihan <michel@lebihan.pl>
date Tue, 13 Mar 2018 21:12:21 +0100
parent 2645:cae371544ff5
child 3047:7c55f05327a2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- Fetches Atom feeds and publishes to PubSub nodes
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 --
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
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3 -- Config:
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
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parents:
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4 -- Component "pubsub.example.com" "pubsub"
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
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parents:
diff changeset
5 -- modules_enabled = {
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
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parents: 717
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6 -- "pubsub_feeds";
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diff changeset
7 -- }
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
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8 -- feeds = { -- node -> url
279
aa0df3db4901 mod_pubsub_feed: Wrap entry in a item element.
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parents: 278
diff changeset
9 -- prosody_blog = "http://blog.prosody.im/feed/atom.xml";
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
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10 -- }
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
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11 -- feed_pull_interval = 20 -- minutes
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12 --
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13 -- Reference
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480c6f0576b1 mod_pubsub_feeds: Update to 0.4 version of PubSubHubbub
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parents: 1453
diff changeset
14 -- http://pubsubhubbub.googlecode.com/svn/trunk/pubsubhubbub-core-0.4.html
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15
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db27f07342d4 mod_pubsub_feeds: Use reference to mod_pubsub from module:depends
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16 local pubsub = module:depends"pubsub";
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17
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b21236b6b8d8 Backed out changeset 853a382c9bd6
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parents: 1324
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18 local date, time = os.date, os.time;
b21236b6b8d8 Backed out changeset 853a382c9bd6
Kim Alvefur <zash@zash.se>
parents: 1324
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19 local dt_parse, dt_datetime = require "util.datetime".parse, require "util.datetime".datetime;
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433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
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20 local uuid = require "util.uuid".generate;
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04cf0b75fe2a mod_pubsub_feeds: Use HMAC-SHA1 from util.hashes (util.hmac was deprecated)
Kim Alvefur <zash@zash.se>
parents: 983
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21 local hmac_sha1 = require "util.hashes".hmac_sha1;
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0fe725b50f77 mod_pubsub_feeds.lua: util.xml not uit.xml
Michael Töglhofer <michael@toeglhofer.net>
parents: 2134
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22 local parse_xml = require "util.xml".parse;
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parents: 402
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23 local st = require "util.stanza";
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b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
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parents: 1457
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24 local translate_rss = module:require("feeds").translate_rss;
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25
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
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26 local xmlns_atom = "http://www.w3.org/2005/Atom";
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27
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28 local function parse_feed(data)
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29 local feed, err = parse_xml(data);
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30 if not feed then return feed, err; end
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31 if feed.attr.xmlns == xmlns_atom then
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parents: 1457
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32 return feed;
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parents: 1457
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33 elseif feed.attr.xmlns == nil and feed.name == "rss" then
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parents: 1457
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34 return translate_rss(feed);
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35 end
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parents: 1457
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36 return nil, "unsupported-format";
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parents: 1457
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37 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
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parents: 1457
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38
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39 local use_pubsubhubub = module:get_option_boolean("use_pubsubhubub", true);
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
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parents: 633
diff changeset
40 if use_pubsubhubub then
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41 module:depends"http";
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42 end
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43
403
fc62b26dfdf6 mod_pubsub_feed: Major cleanup, and use newer APIs. (Thanks Maranda)
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44 local http = require "net.http";
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45 local formdecode = http.formdecode;
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46 local formencode = http.formencode;
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parents:
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47
668
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48 local feed_list = module:shared("feed_list");
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1b6027ef5191 mod_pubsub_feeds: Load config option once
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49 local refresh_interval = module:get_option_number("feed_pull_interval", 15) * 60;
2401
7a1625a84624 mod_pubsub_feeds: Ask for leases that expire after one day (Years after testing this module, I was still subscribed to a GNU Social instance)
Kim Alvefur <zash@zash.se>
parents: 2384
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50 local lease_length = tostring(math.floor(module:get_option_number("feed_lease_length", 86400)));
475
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51
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5a8fa70faa13 mod_pubsub_feeds: Remove config-reloaded hook, do setup in module.load() instead
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52 function module.load()
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02532f28b207 mod_pubsub_feeds: Remove default feeds
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53 local config = module:get_option("feeds", { });
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54 local ok, nodes = pubsub.service:get_nodes(true);
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parents: 796
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55 if not ok then nodes = {}; end
475
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56 local new_feed_list = {};
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57 for node, url in pairs(config) do
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82d292e4f30f mod_pubsub_feeds: Use URL as node name if the config index is numeric
Kim Alvefur <zash@zash.se>
parents: 763
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58 if type(node) == "number" then
82d292e4f30f mod_pubsub_feeds: Use URL as node name if the config index is numeric
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59 node = url;
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60 end
475
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61 new_feed_list[node] = true;
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parents: 461
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62 if not feed_list[node] then
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63 feed_list[node] = { url = url; node = node; last_update = 0 };
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64 else
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parents: 461
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65 feed_list[node].url = url;
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66 end
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c7f507a190a0 mod_pubsub_feeds: Check if nodes exists in pubsub, make sure they get restored if not. (Thanks Maranda)
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parents: 794
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67 if not nodes[node] then
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68 feed_list[node].last_update = 0;
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69 end
475
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70 end
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71 for node in pairs(feed_list) do
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72 if not new_feed_list[node] then
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73 feed_list[node] = nil;
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parents: 461
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74 end
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parents: 461
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75 end
322
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76 end
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parents: 300
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77
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parents: 300
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78 function update_entry(item)
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79 local node = item.node;
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80 module:log("debug", "parsing %d bytes of data in node %s", #item.data or 0, node)
322
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81 local feed = parse_feed(item.data);
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Kim Alvefur <zash@zash.se>
parents: 2377
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82 local entries = {};
2132
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parents: 1457
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83 for entry in feed:childtags("entry") do
2379
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Kim Alvefur <zash@zash.se>
parents: 2377
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84 table.insert(entries, entry);
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parents: 2377
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85 end
2383
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parents: 2382
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86 local ok, items = pubsub.service:get_items(node, true);
2382
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parents: 2381
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87 if not ok then
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Kim Alvefur <zash@zash.se>
parents: 2381
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88 local ok, err = pubsub.service:create(node, true);
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parents: 2381
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89 if not ok then
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Kim Alvefur <zash@zash.se>
parents: 2381
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90 module:log("error", "Could not create node %s: %s", node, err);
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parents: 2381
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91 return;
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92 end
2383
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Kim Alvefur <zash@zash.se>
parents: 2382
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93 items = {};
2382
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parents: 2381
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94 end
2379
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Kim Alvefur <zash@zash.se>
parents: 2377
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95 for i = #entries, 1, -1 do -- Feeds are usually in reverse order
2381
a4614a329bdd mod_pubsub_feeds: Get entry from list of entries (thanks Link Mauve)
Kim Alvefur <zash@zash.se>
parents: 2380
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96 local entry = entries[i];
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
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parents: 633
diff changeset
97 entry.attr.xmlns = xmlns_atom;
322
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parents: 300
diff changeset
98
403
fc62b26dfdf6 mod_pubsub_feed: Major cleanup, and use newer APIs. (Thanks Maranda)
Kim Alvefur <zash@zash.se>
parents: 402
diff changeset
99 local e_published = entry:get_child_text("published");
322
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parents: 300
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100 e_published = e_published and dt_parse(e_published);
403
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Kim Alvefur <zash@zash.se>
parents: 402
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101 local e_updated = entry:get_child_text("updated");
322
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parents: 300
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102 e_updated = e_updated and dt_parse(e_updated);
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parents: 300
diff changeset
103
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parents: 300
diff changeset
104 local timestamp = e_updated or e_published or nil;
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
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parents: 300
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105 --module:log("debug", "timestamp is %s, item.last_update is %s", tostring(timestamp), tostring(item.last_update));
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
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parents: 300
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106 if not timestamp or not item.last_update or timestamp > item.last_update then
403
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Kim Alvefur <zash@zash.se>
parents: 402
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107 local id = entry:get_child_text("id");
2380
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Kim Alvefur <zash@zash.se>
parents: 2379
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108 if not id then
2f083426fe98 mod_pubsub_feeds: Use URL as ID if no id set. If that's not there either then hash stuff and call it a day
Kim Alvefur <zash@zash.se>
parents: 2379
diff changeset
109 local link = entry:get_child("link");
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Kim Alvefur <zash@zash.se>
parents: 2379
diff changeset
110 id = link and link.attr.href;
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Kim Alvefur <zash@zash.se>
parents: 2379
diff changeset
111 end
2f083426fe98 mod_pubsub_feeds: Use URL as ID if no id set. If that's not there either then hash stuff and call it a day
Kim Alvefur <zash@zash.se>
parents: 2379
diff changeset
112 if not id then
2f083426fe98 mod_pubsub_feeds: Use URL as ID if no id set. If that's not there either then hash stuff and call it a day
Kim Alvefur <zash@zash.se>
parents: 2379
diff changeset
113 -- Sigh, no link?
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Kim Alvefur <zash@zash.se>
parents: 2379
diff changeset
114 id = feed.url .. "#" .. hmac_sha1(feed.url, tostring(entry), true) .. "@" .. dt_datetime(timestamp);
2f083426fe98 mod_pubsub_feeds: Use URL as ID if no id set. If that's not there either then hash stuff and call it a day
Kim Alvefur <zash@zash.se>
parents: 2379
diff changeset
115 end
2383
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Kim Alvefur <zash@zash.se>
parents: 2382
diff changeset
116 if items[id] then
18323c6aa133 mod_pubsub_feeds: Halt feed parsing when we see a node we already know about
Kim Alvefur <zash@zash.se>
parents: 2382
diff changeset
117 -- Assume that this existing means we've added all new items
2384
feba6439b6fb mod_pubsub_feeds: Add fixme for future
Kim Alvefur <zash@zash.se>
parents: 2383
diff changeset
118 -- FIXME Entries updated after publishing ...
2383
18323c6aa133 mod_pubsub_feeds: Halt feed parsing when we see a node we already know about
Kim Alvefur <zash@zash.se>
parents: 2382
diff changeset
119 break;
18323c6aa133 mod_pubsub_feeds: Halt feed parsing when we see a node we already know about
Kim Alvefur <zash@zash.se>
parents: 2382
diff changeset
120 end
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
121 local xitem = st.stanza("item", { id = id }):add_child(entry);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
122 -- TODO Put data from /feed into item/source
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
123
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
124 --module:log("debug", "publishing to %s, id %s", node, id);
792
db27f07342d4 mod_pubsub_feeds: Use reference to mod_pubsub from module:depends
Kim Alvefur <zash@zash.se>
parents: 765
diff changeset
125 local ok, err = pubsub.service:publish(node, true, id, xitem);
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
126 if not ok then
2382
f159ad7ac18a mod_pubsub_feeds: Check if node exists earlier and attempt to create it if not
Kim Alvefur <zash@zash.se>
parents: 2381
diff changeset
127 module:log("error", "Publishing to node %s failed: %s", node, err);
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
128 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
129 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
130 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
131
1457
720ff25d94e6 mod_pubsub_feeds: Check that lease time exists before comparing
Kim Alvefur <zash@zash.se>
parents: 1456
diff changeset
132 if item.lease_expires and item.lease_expires > time() then
1455
13e359c48b5b mod_pubsub_feeds: Fix refreshing of subscriptions
Kim Alvefur <zash@zash.se>
parents: 1454
diff changeset
133 item.subscription = nil;
13e359c48b5b mod_pubsub_feeds: Fix refreshing of subscriptions
Kim Alvefur <zash@zash.se>
parents: 1454
diff changeset
134 item.lease_expires = nil;
13e359c48b5b mod_pubsub_feeds: Fix refreshing of subscriptions
Kim Alvefur <zash@zash.se>
parents: 1454
diff changeset
135 end
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
136 if use_pubsubhubub and not item.subscription then
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
137 --module:log("debug", "check if %s has a hub", item.node);
2132
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents: 1457
diff changeset
138 for link in feed:childtags("link") do
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents: 1457
diff changeset
139 if link.attr.rel == "hub" then
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents: 1457
diff changeset
140 item.hub = link.attr.href;
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents: 1457
diff changeset
141 module:log("debug", "Node %s has a hub: %s", item.node, item.hub);
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents: 1457
diff changeset
142 return subscribe(item);
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents: 1457
diff changeset
143 end
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
144 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
145 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
146 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
147
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
148 function fetch(item, callback) -- HTTP Pull
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 local headers = { };
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 if item.data and item.last_update then
400
f42fe4229f8a mod_pubsub_feed: Fix timestamp on Windows, which has no %T
Kim Alvefur <zash@zash.se>
parents: 325
diff changeset
151 headers["If-Modified-Since"] = date("!%a, %d %b %Y %H:%M:%S %Z", item.last_update);
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
153 http.request(item.url, { headers = headers }, function(data, code)
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 if code == 200 then
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 item.data = data;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
156 if callback then callback(item) end
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 item.last_update = time();
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
158 elseif code == 304 then
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 item.last_update = time();
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 end);
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163
1453
7b53cfc6ba8d mod_pubsub_feeds: Fix refresh_feeds() allways refreshing all feeds
Kim Alvefur <zash@zash.se>
parents: 1343
diff changeset
164 function refresh_feeds(now)
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
165 --module:log("debug", "Refreshing feeds");
2134
bd7744df0b4a mod_pubsub_feeds: Remove unused imports [luacheck]
Kim Alvefur <zash@zash.se>
parents: 2132
diff changeset
166 for _, item in pairs(feed_list) do
1453
7b53cfc6ba8d mod_pubsub_feeds: Fix refresh_feeds() allways refreshing all feeds
Kim Alvefur <zash@zash.se>
parents: 1343
diff changeset
167 if item.subscription ~= "subscribe" and item.last_update + refresh_interval < now then
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
168 --module:log("debug", "checking %s", item.node);
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
169 fetch(item, update_entry);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
170 end
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
172 return refresh_interval;
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
175 local function format_url(node)
2134
bd7744df0b4a mod_pubsub_feeds: Remove unused imports [luacheck]
Kim Alvefur <zash@zash.se>
parents: 2132
diff changeset
176 return module:http_url(nil, "/callback") .. "?" .. formencode({ node = node });
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
177 end
401
c85397063eca mod_pubsub_feed: Try harder to figure out ones callback URL.
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
178
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
179 function subscribe(feed, want)
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
180 want = want or "subscribe";
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
181 feed.secret = feed.secret or uuid();
403
fc62b26dfdf6 mod_pubsub_feed: Major cleanup, and use newer APIs. (Thanks Maranda)
Kim Alvefur <zash@zash.se>
parents: 402
diff changeset
182 local body = formencode{
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
183 ["hub.callback"] = format_url(feed.node);
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
184 ["hub.mode"] = want;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
185 ["hub.topic"] = feed.url;
1454
480c6f0576b1 mod_pubsub_feeds: Update to 0.4 version of PubSubHubbub
Kim Alvefur <zash@zash.se>
parents: 1453
diff changeset
186 ["hub.verify"] = "async"; -- COMPAT this is REQUIRED in the 0.3 draft but removed in 0.4
325
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
187 ["hub.secret"] = feed.secret;
2401
7a1625a84624 mod_pubsub_feeds: Ask for leases that expire after one day (Years after testing this module, I was still subscribed to a GNU Social instance)
Kim Alvefur <zash@zash.se>
parents: 2384
diff changeset
188 ["hub.lease_seconds"] = lease_length;
403
fc62b26dfdf6 mod_pubsub_feed: Major cleanup, and use newer APIs. (Thanks Maranda)
Kim Alvefur <zash@zash.se>
parents: 402
diff changeset
189 };
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
190
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
191 --module:log("debug", "subscription request, body: %s", body);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
192
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
193 --FIXME The subscription states and related stuff
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
194 feed.subscription = want;
983
ac9bf3fcbcfe mod_pubsub_feeds, mod_sms_clickatell, mod_twitter: Update for net.http API change in prosody:e3b9dc9dd940
Matthew Wild <mwild1@gmail.com>
parents: 797
diff changeset
195 http.request(feed.hub, { body = body }, function(data, code)
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
196 module:log("debug", "subscription to %s submitted, status %s", feed.node, tostring(code));
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
197 if code >= 400 then
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
198 module:log("error", "There was something wrong with our subscription request, body: %s", tostring(data));
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
199 feed.subscription = "failed";
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
200 end
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
201 end);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
202 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
203
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
204 function handle_http_request(event)
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
205 local request = event.request;
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
206 local method = request.method;
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
207 local body = request.body;
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
208
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
209 local query = request.url.query or {}; --FIXME
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
210 if query and type(query) == "string" then
403
fc62b26dfdf6 mod_pubsub_feed: Major cleanup, and use newer APIs. (Thanks Maranda)
Kim Alvefur <zash@zash.se>
parents: 402
diff changeset
211 query = formdecode(query);
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
212 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
213
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
214 local feed = feed_list[query.node];
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
215 if not feed then
2422
57235bce06fc mod_pubsub_feeds: Always approve unsubscription from unknown feeds
Kim Alvefur <zash@zash.se>
parents: 2421
diff changeset
216 if query["hub.mode"] == "unsubscribe" then
57235bce06fc mod_pubsub_feeds: Always approve unsubscription from unknown feeds
Kim Alvefur <zash@zash.se>
parents: 2421
diff changeset
217 -- Unsubscribe from unknown feed
57235bce06fc mod_pubsub_feeds: Always approve unsubscription from unknown feeds
Kim Alvefur <zash@zash.se>
parents: 2421
diff changeset
218 module:log("debug", "Unsubscribe from unknown feed %s -- %s", query["hub.topic"], formencode(query));
57235bce06fc mod_pubsub_feeds: Always approve unsubscription from unknown feeds
Kim Alvefur <zash@zash.se>
parents: 2421
diff changeset
219 return query["hub.challenge"];
57235bce06fc mod_pubsub_feeds: Always approve unsubscription from unknown feeds
Kim Alvefur <zash@zash.se>
parents: 2421
diff changeset
220 end
2421
a9add2d1adf5 mod_pubsub_feeds: Log pushes for unknown feeds to aid in manual unsubscription from them
Kim Alvefur <zash@zash.se>
parents: 2401
diff changeset
221 module:log("debug", "Push for unknown feed %s -- %s", query["hub.topic"], formencode(query));
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
222 return 404;
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
223 end
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
224
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
225 if method == "GET" then
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
226 if query.node then
323
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
227 if query["hub.topic"] ~= feed.url then
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
228 module:log("debug", "Invalid topic: %s", tostring(query["hub.topic"]))
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
229 return 404
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
230 end
1456
2cd667d8edbd mod_pubsub_feeds: Handle denied subscription requests
Kim Alvefur <zash@zash.se>
parents: 1455
diff changeset
231 if query["hub.mode"] == "denied" then
2cd667d8edbd mod_pubsub_feeds: Handle denied subscription requests
Kim Alvefur <zash@zash.se>
parents: 1455
diff changeset
232 module:log("info", "Subscription denied: %s", tostring(query["hub.reason"] or "No reason given"))
2cd667d8edbd mod_pubsub_feeds: Handle denied subscription requests
Kim Alvefur <zash@zash.se>
parents: 1455
diff changeset
233 feed.subscription = "denied";
2cd667d8edbd mod_pubsub_feeds: Handle denied subscription requests
Kim Alvefur <zash@zash.se>
parents: 1455
diff changeset
234 return "Ok then :(";
2cd667d8edbd mod_pubsub_feeds: Handle denied subscription requests
Kim Alvefur <zash@zash.se>
parents: 1455
diff changeset
235 elseif query["hub.mode"] == feed.subscription then
2cd667d8edbd mod_pubsub_feeds: Handle denied subscription requests
Kim Alvefur <zash@zash.se>
parents: 1455
diff changeset
236 module:log("debug", "Confirming %s request to %s", feed.subscription, feed.url)
2cd667d8edbd mod_pubsub_feeds: Handle denied subscription requests
Kim Alvefur <zash@zash.se>
parents: 1455
diff changeset
237 else
323
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
238 module:log("debug", "Invalid mode: %s", tostring(query["hub.mode"]))
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
239 return 400
323
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
240 end
1454
480c6f0576b1 mod_pubsub_feeds: Update to 0.4 version of PubSubHubbub
Kim Alvefur <zash@zash.se>
parents: 1453
diff changeset
241 local lease_seconds = tonumber(query["hub.lease_seconds"]);
480c6f0576b1 mod_pubsub_feeds: Update to 0.4 version of PubSubHubbub
Kim Alvefur <zash@zash.se>
parents: 1453
diff changeset
242 if lease_seconds then
480c6f0576b1 mod_pubsub_feeds: Update to 0.4 version of PubSubHubbub
Kim Alvefur <zash@zash.se>
parents: 1453
diff changeset
243 feed.lease_expires = time() + lease_seconds - refresh_interval * 2;
323
433bf7dc3e7a mod_pubsub_feed: Stricter verification handling. Correctly echo the hubs challenge.
Kim Alvefur <zash@zash.se>
parents: 322
diff changeset
244 end
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
245 return query["hub.challenge"];
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
246 end
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
247 return 400;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
248 elseif method == "POST" then
718
a37e4149ccd1 mod_pubsub_feeds: Prepare for making it possible to unsubscribe, and some other minor changes.
Kim Alvefur <zash@zash.se>
parents: 717
diff changeset
249 if #body > 0 then
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
250 module:log("debug", "got %d bytes PuSHed for %s", #body, query.node);
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
251 local signature = request.headers.x_hub_signature;
325
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
252 if feed.secret then
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
253 local localsig = "sha1=" .. hmac_sha1(feed.secret, body, true);
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
254 if localsig ~= signature then
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
255 module:log("debug", "Invalid signature, got %s but wanted %s", tostring(signature), tostring(localsig));
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
256 return 401;
325
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
257 end
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
258 module:log("debug", "Valid signature");
4e50e591a7fc mod_pubsub_feed: Implement signature verification
Kim Alvefur <zash@zash.se>
parents: 324
diff changeset
259 end
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
260 feed.data = body;
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
261 update_entry(feed);
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
262 feed.last_update = time();
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
263 return 202;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
264 end
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
265 return 400;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
266 end
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
267 return 501;
322
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
268 end
637dc0a04052 mod_pubsub_feed: Implement PubSubHubbub subscriber
Kim Alvefur <zash@zash.se>
parents: 300
diff changeset
269
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
270 if use_pubsubhubub then
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
271 module:provides("http", {
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
272 default_path = "/callback";
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
273 route = {
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
274 GET = handle_http_request;
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
275 POST = handle_http_request;
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
276 -- This all?
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
277 };
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
278 });
278
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
279 end
653c1826739e mod_pubsub_feed: Fetches Atom feeds and publishes to PubSub
Kim Alvefur <zash@zash.se>
parents:
diff changeset
280
668
343b115ebbea mod_pubsub_feed: Cleanup and update to new APIs in 0.9
Kim Alvefur <zash@zash.se>
parents: 633
diff changeset
281 module:add_timer(1, refresh_feeds);