author | Kim Alvefur <zash@zash.se> |
Wed, 03 Mar 2021 11:43:38 +0100 | |
changeset 4494 | cf2bdb2aaa57 |
parent 3872 | 09e7e880e056 |
child 4704 | f821eeac0e50 |
permissions | -rw-r--r-- |
5 | 1 |
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2 |
local st = require "util.stanza"; |
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module:depends("http"); |
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local uuid_new = require "util.uuid".generate; |
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local os_time = os.time; |
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local t_remove = table.remove; |
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local add_task = require "util.timer".add_task; |
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local jid_bare = require "util.jid".bare; |
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9 |
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local function get_room_from_jid() end; |
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local is_component = module:get_host_type() == "component"; |
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if is_component then |
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local mod_muc = module:depends "muc"; |
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local muc_rooms = rawget(mod_muc, "rooms"); |
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get_room_from_jid = rawget(mod_muc, "get_room_from_jid") or |
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function (jid) |
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return muc_rooms[jid]; |
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end |
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end |
5 | 20 |
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local utf8_pattern = "[\194-\244][\128-\191]*$"; |
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local function drop_invalid_utf8(seq) |
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local start = seq:byte(); |
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module:log("debug", "utf8: %d, %d", start, #seq); |
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if (start <= 223 and #seq < 2) |
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or (start >= 224 and start <= 239 and #seq < 3) |
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or (start >= 240 and start <= 244 and #seq < 4) |
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or (start > 244) then |
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return ""; |
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end |
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return seq; |
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end |
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local function utf8_length(str) |
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local _, count = string.gsub(str, "[^\128-\193]", ""); |
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return count; |
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end |
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local pastebin_private_messages = module:get_option_boolean("pastebin_private_messages", not is_component); |
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local length_threshold = module:get_option_number("pastebin_threshold", 500); |
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local line_threshold = module:get_option_number("pastebin_line_threshold", 4); |
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local max_summary_length = module:get_option_number("pastebin_summary_length", 150); |
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local html_preview = module:get_option_boolean("pastebin_html_preview", true); |
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local base_url = module:get_option_string("pastebin_url", module:http_url()):gsub("/$", "").."/"; |
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-- Seconds a paste should live for in seconds (config is in hours), default 24 hours |
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local expire_after = math.floor(module:get_option_number("pastebin_expire_after", 24) * 3600); |
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local trigger_string = module:get_option_string("pastebin_trigger"); |
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trigger_string = (trigger_string and trigger_string .. " "); |
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5 | 53 |
local pastes = {}; |
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local xmlns_xhtmlim = "http://jabber.org/protocol/xhtml-im"; |
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local xmlns_xhtml = "http://www.w3.org/1999/xhtml"; |
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function pastebin_text(text) |
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local uuid = uuid_new(); |
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pastes[uuid] = { body = text, time = os_time(), }; |
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pastes[#pastes+1] = uuid; |
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if not pastes[2] then -- No other pastes, give the timer a kick |
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add_task(expire_after, expire_pastes); |
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end |
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return base_url..uuid; |
66 |
end |
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function handle_request(event, pasteid) |
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event.response.headers.content_type = "text/plain; charset=utf-8"; |
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if not pasteid then |
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return "Invalid paste id, perhaps it expired?"; |
5 | 73 |
end |
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--module:log("debug", "Received request, replying: %s", pastes[pasteid].text); |
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local paste = pastes[pasteid]; |
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if not paste then |
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return "Invalid paste id, perhaps it expired?"; |
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end |
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return paste.body; |
5 | 83 |
end |
84 |
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local function replace_tag(s, replacement) |
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local once = false; |
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s:maptags(function (tag) |
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if tag.name == replacement.name and tag.attr.xmlns == replacement.attr.xmlns then |
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if not once then |
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once = true; |
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return replacement; |
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else |
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return nil; |
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94 |
end |
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95 |
end |
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return tag; |
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97 |
end); |
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if not once then |
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99 |
s:add_child(replacement); |
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100 |
end |
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101 |
end |
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102 |
|
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103 |
local line_count_pattern = string.rep("[^\n]*\n", line_threshold + 1):sub(1,-2); |
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104 |
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5 | 105 |
function check_message(data) |
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106 |
local stanza = data.stanza; |
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all the things: Remove trailing whitespace
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107 |
|
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-- Only check for MUC presence when loaded on a component. |
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if is_component then |
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110 |
local room = get_room_from_jid(jid_bare(stanza.attr.to)); |
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if not room then return; end |
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112 |
|
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113 |
local nick = room._jid_nick[stanza.attr.from]; |
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114 |
if not nick then return; end |
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115 |
end |
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116 |
|
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117 |
local body = stanza:get_child_text(); |
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5 | 119 |
if not body then return; end |
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120 |
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121 |
--module:log("debug", "Body(%s) length: %d", type(body), #(body or "")); |
1343
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all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1017
diff
changeset
|
122 |
|
3034
4a7f08fe793c
mod_pastebin: Remove redundant check for non-empty body since it returns earlier in that case
Kim Alvefur <zash@zash.se>
parents:
3033
diff
changeset
|
123 |
if ( #body > length_threshold and utf8_length(body) > length_threshold ) or |
167
0d37d18ea073
mod_pastebin: Fix trigger_string matching when no trigger is set, and add support for counting lines (pastebin_line_threshold, default: 4)
Matthew Wild <mwild1@gmail.com>
parents:
156
diff
changeset
|
124 |
(trigger_string and body:find(trigger_string, 1, true) == 1) or |
3035
040eaa3844f4
mod_pastebin: Check line length via preconstructed pattern instead of gsub
Kim Alvefur <zash@zash.se>
parents:
3034
diff
changeset
|
125 |
body:find(line_count_pattern) then |
3033
7878dc2dbf59
mod_pastebin: Avoid using pattern matching facilities for simple prefix removal
Kim Alvefur <zash@zash.se>
parents:
3032
diff
changeset
|
126 |
if trigger_string and body:sub(1, #trigger_string) == trigger_string then |
7878dc2dbf59
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parents:
3032
diff
changeset
|
127 |
body = body:sub(#trigger_string+1); |
167
0d37d18ea073
mod_pastebin: Fix trigger_string matching when no trigger is set, and add support for counting lines (pastebin_line_threshold, default: 4)
Matthew Wild <mwild1@gmail.com>
parents:
156
diff
changeset
|
128 |
end |
75
3c7189e26848
mod_pastebin: Rename pastebin_message() to pastebin_text() and make it global so it can be called by other plugins
Matthew Wild <mwild1@gmail.com>
parents:
71
diff
changeset
|
129 |
local url = pastebin_text(body); |
1343
7dbde05b48a9
all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1017
diff
changeset
|
130 |
module:log("debug", "Pasted message as %s", url); |
5 | 131 |
--module:log("debug", " stanza[bodyindex] = %q", tostring( stanza[bodyindex])); |
446
56f1c29ee7f1
mod_pastebin: Some experimental summary changes
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parents:
445
diff
changeset
|
132 |
local summary = (body:sub(1, max_summary_length):gsub(utf8_pattern, drop_invalid_utf8) or ""):match("[^\n]+") or ""; |
56f1c29ee7f1
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parents:
445
diff
changeset
|
133 |
summary = summary:match("^%s*(.-)%s*$"); |
56f1c29ee7f1
mod_pastebin: Some experimental summary changes
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parents:
445
diff
changeset
|
134 |
local summary_prefixed = summary:match("[,:]$"); |
3200
01503000d2f1
mod_pastebin: Make first line and URL more clearly separated
Kim Alvefur <zash@zash.se>
parents:
3144
diff
changeset
|
135 |
replace_tag(stanza, st.stanza("body"):text(summary .. "\n" .. url)); |
1343
7dbde05b48a9
all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1017
diff
changeset
|
136 |
|
3038
6e9096b66704
mod_pastebin: Add an OOB tag pointing to the pastebin URL
Kim Alvefur <zash@zash.se>
parents:
3037
diff
changeset
|
137 |
stanza:add_child(st.stanza("query", { xmlns = "jabber:iq:oob" }):tag("url"):text(url)); |
6e9096b66704
mod_pastebin: Add an OOB tag pointing to the pastebin URL
Kim Alvefur <zash@zash.se>
parents:
3037
diff
changeset
|
138 |
|
446
56f1c29ee7f1
mod_pastebin: Some experimental summary changes
Matthew Wild <mwild1@gmail.com>
parents:
445
diff
changeset
|
139 |
if html_preview then |
513
5e8843a869a3
mod_pastebin: Fix off-by-one in line counting (display issue only)
Matthew Wild <mwild1@gmail.com>
parents:
512
diff
changeset
|
140 |
local line_count = select(2, body:gsub("\n", "%0")) + 1; |
446
56f1c29ee7f1
mod_pastebin: Some experimental summary changes
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parents:
445
diff
changeset
|
141 |
local link_text = ("[view %spaste (%d line%s)]"):format(summary_prefixed and "" or "rest of ", line_count, line_count == 1 and "" or "s"); |
56f1c29ee7f1
mod_pastebin: Some experimental summary changes
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parents:
445
diff
changeset
|
142 |
local html = st.stanza("html", { xmlns = xmlns_xhtmlim }):tag("body", { xmlns = xmlns_xhtml }); |
56f1c29ee7f1
mod_pastebin: Some experimental summary changes
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parents:
445
diff
changeset
|
143 |
html:tag("p"):text(summary.." "):up(); |
56f1c29ee7f1
mod_pastebin: Some experimental summary changes
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parents:
445
diff
changeset
|
144 |
html:tag("a", { href = url }):text(link_text):up(); |
3032
ded630a87563
mod_pastebin: Replace tags using :maptags API instead of hacky direct manipulation
Kim Alvefur <zash@zash.se>
parents:
3031
diff
changeset
|
145 |
replace_tag(stanza, html); |
446
56f1c29ee7f1
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parents:
445
diff
changeset
|
146 |
end |
5 | 147 |
end |
148 |
end |
|
149 |
||
150 |
module:hook("message/bare", check_message); |
|
438
7f0cdde1e42a
mod_pastebin: Add option 'pastebin_private_messages', defaults to false for components and true for other hosts (thanks Kelden/Maranda)
Matthew Wild <mwild1@gmail.com>
parents:
190
diff
changeset
|
151 |
if pastebin_private_messages then |
7f0cdde1e42a
mod_pastebin: Add option 'pastebin_private_messages', defaults to false for components and true for other hosts (thanks Kelden/Maranda)
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parents:
190
diff
changeset
|
152 |
module:hook("message/full", check_message); |
7f0cdde1e42a
mod_pastebin: Add option 'pastebin_private_messages', defaults to false for components and true for other hosts (thanks Kelden/Maranda)
Matthew Wild <mwild1@gmail.com>
parents:
190
diff
changeset
|
153 |
end |
5 | 154 |
|
3349
4a12abccdbaf
mod_pastebin: Advertise a disco feature and current thresholds
Kim Alvefur <zash@zash.se>
parents:
3200
diff
changeset
|
155 |
module:hook("muc-disco#info", function (event) |
4a12abccdbaf
mod_pastebin: Advertise a disco feature and current thresholds
Kim Alvefur <zash@zash.se>
parents:
3200
diff
changeset
|
156 |
local reply, form, formdata = event.reply, event.form, event.formdata; |
4a12abccdbaf
mod_pastebin: Advertise a disco feature and current thresholds
Kim Alvefur <zash@zash.se>
parents:
3200
diff
changeset
|
157 |
reply:tag("feature", { var = "https://modules.prosody.im/mod_pastebin" }):up(); |
3872
09e7e880e056
mod_pastebin: Follow XEP-0068 and use Clark notation in disco#info
Kim Alvefur <zash@zash.se>
parents:
3350
diff
changeset
|
158 |
table.insert(form, { name = "{https://modules.prosody.im/mod_pastebin}max_lines", datatype = "xs:integer" }); |
09e7e880e056
mod_pastebin: Follow XEP-0068 and use Clark notation in disco#info
Kim Alvefur <zash@zash.se>
parents:
3350
diff
changeset
|
159 |
table.insert(form, { name = "{https://modules.prosody.im/mod_pastebin}max_characters", datatype = "xs:integer" }); |
09e7e880e056
mod_pastebin: Follow XEP-0068 and use Clark notation in disco#info
Kim Alvefur <zash@zash.se>
parents:
3350
diff
changeset
|
160 |
formdata["{https://modules.prosody.im/mod_pastebin}max_lines"] = tostring(line_threshold); |
09e7e880e056
mod_pastebin: Follow XEP-0068 and use Clark notation in disco#info
Kim Alvefur <zash@zash.se>
parents:
3350
diff
changeset
|
161 |
formdata["{https://modules.prosody.im/mod_pastebin}max_characters"] = tostring(length_threshold); |
3349
4a12abccdbaf
mod_pastebin: Advertise a disco feature and current thresholds
Kim Alvefur <zash@zash.se>
parents:
3200
diff
changeset
|
162 |
end); |
4a12abccdbaf
mod_pastebin: Advertise a disco feature and current thresholds
Kim Alvefur <zash@zash.se>
parents:
3200
diff
changeset
|
163 |
|
24
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
164 |
function expire_pastes(time) |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
165 |
time = time or os_time(); -- COMPAT with 0.5 |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
166 |
if pastes[1] then |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
167 |
pastes[pastes[1]] = nil; |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
168 |
t_remove(pastes, 1); |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
169 |
if pastes[1] then |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
170 |
return (expire_after - (time - pastes[pastes[1]].time)) + 1; |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
171 |
end |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
172 |
end |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
173 |
end |
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
174 |
|
72bcc0475e2f
mod_pastebin: Expire pastes after 'pastebin_expire_after' hours, 24 by default
Matthew Wild <mwild1@gmail.com>
parents:
23
diff
changeset
|
175 |
|
654
7e444de959bb
mod_pastebin: Update to the new HTTP API
Kim Alvefur <zash@zash.se>
parents:
565
diff
changeset
|
176 |
module:provides("http", { |
7e444de959bb
mod_pastebin: Update to the new HTTP API
Kim Alvefur <zash@zash.se>
parents:
565
diff
changeset
|
177 |
route = { |
7e444de959bb
mod_pastebin: Update to the new HTTP API
Kim Alvefur <zash@zash.se>
parents:
565
diff
changeset
|
178 |
["GET /*"] = handle_request; |
7e444de959bb
mod_pastebin: Update to the new HTTP API
Kim Alvefur <zash@zash.se>
parents:
565
diff
changeset
|
179 |
}; |
7e444de959bb
mod_pastebin: Update to the new HTTP API
Kim Alvefur <zash@zash.se>
parents:
565
diff
changeset
|
180 |
}); |
454
3f101f7a26d0
mod_pastebin: Preserve pastes through a reload
Matthew Wild <mwild1@gmail.com>
parents:
446
diff
changeset
|
181 |
|
517
f866325305ed
mod_pastebin: Make last commit work (also set on restore)
Matthew Wild <mwild1@gmail.com>
parents:
516
diff
changeset
|
182 |
local function set_pastes_metatable() |
3037
b2b129f699ed
mod_pastebin: Silence some warnings [luacheck]
Kim Alvefur <zash@zash.se>
parents:
3036
diff
changeset
|
183 |
-- luacheck: ignore 212/pastes 431/pastes |
516
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
184 |
if expire_after == 0 then |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
185 |
local dm = require "util.datamanager"; |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
186 |
setmetatable(pastes, { |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
187 |
__index = function (pastes, id) |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
188 |
if type(id) == "string" then |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
189 |
return dm.load(id, module.host, "pastebin"); |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
190 |
end |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
191 |
end; |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
192 |
__newindex = function (pastes, id, data) |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
193 |
if type(id) == "string" then |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
194 |
dm.store(id, module.host, "pastebin", data); |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
195 |
end |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
196 |
end; |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
197 |
}); |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
198 |
else |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
199 |
setmetatable(pastes, nil); |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
200 |
end |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
201 |
end |
3d3687fef751
mod_pastebin: Fix issue with metatable not being set when a reload changes expires_after to 0
Matthew Wild <mwild1@gmail.com>
parents:
514
diff
changeset
|
202 |
|
517
f866325305ed
mod_pastebin: Make last commit work (also set on restore)
Matthew Wild <mwild1@gmail.com>
parents:
516
diff
changeset
|
203 |
module.load = set_pastes_metatable; |
f866325305ed
mod_pastebin: Make last commit work (also set on restore)
Matthew Wild <mwild1@gmail.com>
parents:
516
diff
changeset
|
204 |
|
454
3f101f7a26d0
mod_pastebin: Preserve pastes through a reload
Matthew Wild <mwild1@gmail.com>
parents:
446
diff
changeset
|
205 |
function module.save() |
3f101f7a26d0
mod_pastebin: Preserve pastes through a reload
Matthew Wild <mwild1@gmail.com>
parents:
446
diff
changeset
|
206 |
return { pastes = pastes }; |
3f101f7a26d0
mod_pastebin: Preserve pastes through a reload
Matthew Wild <mwild1@gmail.com>
parents:
446
diff
changeset
|
207 |
end |
3f101f7a26d0
mod_pastebin: Preserve pastes through a reload
Matthew Wild <mwild1@gmail.com>
parents:
446
diff
changeset
|
208 |
|
3f101f7a26d0
mod_pastebin: Preserve pastes through a reload
Matthew Wild <mwild1@gmail.com>
parents:
446
diff
changeset
|
209 |
function module.restore(data) |
3f101f7a26d0
mod_pastebin: Preserve pastes through a reload
Matthew Wild <mwild1@gmail.com>
parents:
446
diff
changeset
|
210 |
pastes = data.pastes or pastes; |
517
f866325305ed
mod_pastebin: Make last commit work (also set on restore)
Matthew Wild <mwild1@gmail.com>
parents:
516
diff
changeset
|
211 |
set_pastes_metatable(); |
454
3f101f7a26d0
mod_pastebin: Preserve pastes through a reload
Matthew Wild <mwild1@gmail.com>
parents:
446
diff
changeset
|
212 |
end |