Mercurial > prosody-modules

annotate mod_firewall/actions.lib.lua @ 2540:d637bc0ac604

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_firewall: Update README for latest changes
author Matthew Wild <mwild1@gmail.com>
date Tue, 21 Feb 2017 10:39:00 +0000
parents 9d2bfff515b8
children 76f03d514b13
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2125
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it
Matthew Wild <mwild1@gmail.com>
parents: 2107
diff changeset
1 --luacheck: globals meta idsafe
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 local action_handlers = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3
961
f0108ec2b016 mod_firewall/actions: Break out logic into a separate reusable function
Matthew Wild <mwild1@gmail.com>
parents: 960
diff changeset
4
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 -- Takes an XML string and returns a code string that builds that stanza
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 -- using st.stanza()
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 local function compile_xml(data)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 local code = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local first, short_close = true, nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 for tagline, text in data:gmatch("<([^>]+)>([^<]*)") do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 if tagline:sub(-1,-1) == "/" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 tagline = tagline:sub(1, -2);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 short_close = true;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 if tagline:sub(1,1) == "/" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 code[#code+1] = (":up()");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 local name, attr = tagline:match("^(%S*)%s*(.*)$");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 local attr_str = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 for k, _, v in attr:gmatch("(%S+)=([\"'])([^%2]-)%2") do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 if #attr_str == 0 then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 table.insert(attr_str, ", { ");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 table.insert(attr_str, ", ");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 end
2070
2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned
Kim Alvefur <zash@zash.se>
parents: 1343
diff changeset
26 if k:find("^%a%w*$") then
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 table.insert(attr_str, string.format("%s = %q", k, v));
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 table.insert(attr_str, string.format("[%q] = %q", k, v));
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 if #attr_str > 0 then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 table.insert(attr_str, " }");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 if first then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 code[#code+1] = (string.format("st.stanza(%q %s)", name, #attr_str>0 and table.concat(attr_str) or ", nil"));
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 first = nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 code[#code+1] = (string.format(":tag(%q%s)", name, table.concat(attr_str)));
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 end
2070
2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned
Kim Alvefur <zash@zash.se>
parents: 1343
diff changeset
42 if text and text:find("%S") then
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 code[#code+1] = (string.format(":text(%q)", text));
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 elseif short_close then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 short_close = nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 code[#code+1] = (":up()");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 return table.concat(code, "");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51
957
9b21b91c2d96 mod_firewall/actions: Add PASS
Matthew Wild <mwild1@gmail.com>
parents: 950
diff changeset
52 function action_handlers.PASS()
9b21b91c2d96 mod_firewall/actions: Add PASS
Matthew Wild <mwild1@gmail.com>
parents: 950
diff changeset
53 return "do return end"
9b21b91c2d96 mod_firewall/actions: Add PASS
Matthew Wild <mwild1@gmail.com>
parents: 950
diff changeset
54 end
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 function action_handlers.DROP()
958
843795020701 mod_firewall/actions: DROP no longer logs, log messages can be emitted with LOG
Matthew Wild <mwild1@gmail.com>
parents: 957
diff changeset
57 return "do return true end";
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 function action_handlers.STRIP(tag_desc)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 local code = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62 local name, xmlns = tag_desc:match("^(%S+) (.+)$");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 if not name then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 name, xmlns = tag_desc, nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 if name == "*" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 name = nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 code[#code+1] = ("local stanza_xmlns = stanza.attr.xmlns; ");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 code[#code+1] = "stanza:maptags(function (tag) if ";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 if name then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 code[#code+1] = ("tag.name == %q and "):format(name);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 if xmlns then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 code[#code+1] = ("(tag.attr.xmlns or stanza_xmlns) == %q "):format(xmlns);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77 code[#code+1] = ("tag.attr.xmlns == stanza_xmlns ");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 code[#code+1] = "then return nil; end return tag; end );";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80 return table.concat(code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83 function action_handlers.INJECT(tag)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 return "stanza:add_child("..compile_xml(tag)..")", { "st" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 local error_types = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 ["bad-request"] = "modify";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 ["conflict"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
90 ["feature-not-implemented"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
91 ["forbidden"] = "auth";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
92 ["gone"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93 ["internal-server-error"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94 ["item-not-found"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 ["jid-malformed"] = "modify";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
96 ["not-acceptable"] = "modify";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
97 ["not-allowed"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98 ["not-authorized"] = "auth";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
99 ["payment-required"] = "auth";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
100 ["policy-violation"] = "modify";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
101 ["recipient-unavailable"] = "wait";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
102 ["redirect"] = "modify";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
103 ["registration-required"] = "auth";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
104 ["remote-server-not-found"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
105 ["remote-server-timeout"] = "wait";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
106 ["resource-constraint"] = "wait";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
107 ["service-unavailable"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
108 ["subscription-required"] = "auth";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
109 ["undefined-condition"] = "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
110 ["unexpected-request"] = "wait";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
111 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
112
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
113
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
114 local function route_modify(make_new, to, drop)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
115 local reroute, deps = "session.send(newstanza)", { "st" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
116 if to then
2415
07d7036040ee mod_firewall: Insert semicolons after some statements to prevent ambiguous syntax in output (fixes #797)
Kim Alvefur <zash@zash.se>
parents: 2129
diff changeset
117 reroute = ("newstanza.attr.to = %q; core_post_stanza(session, newstanza);"):format(to);
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
118 deps[#deps+1] = "core_post_stanza";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
119 end
1303
8a3f3f485675 mod_firewall: Produce code with nicer indentation
Florian Zeitz <florob@babelmonkeys.de>
parents: 961
diff changeset
120 return ([[local newstanza = st.%s; %s;%s]])
8a3f3f485675 mod_firewall: Produce code with nicer indentation
Florian Zeitz <florob@babelmonkeys.de>
parents: 961
diff changeset
121 :format(make_new, reroute, drop and " return true;" or ""), deps;
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
122 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1303
diff changeset
123
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
124 function action_handlers.BOUNCE(with)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
125 local error = with and with:match("^%S+") or "service-unavailable";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
126 local error_type = error:match(":(%S+)");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
127 if not error_type then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
128 error_type = error_types[error] or "cancel";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
129 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
130 error = error:match("^[^:]+");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
131 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
132 error, error_type = string.format("%q", error), string.format("%q", error_type);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
133 local text = with and with:match(" %((.+)%)$");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
134 if text then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
135 text = string.format("%q", text);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
136 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
137 text = "nil";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
138 end
2094
a1e9ca4cb181 mod_firewall: BOUNCE: Don't bounce error stanzas or iq results
Matthew Wild <mwild1@gmail.com>
parents: 2086
diff changeset
139 local route_modify_code, deps = route_modify(("error_reply(stanza, %s, %s, %s)"):format(error_type, error, text), nil, true);
a1e9ca4cb181 mod_firewall: BOUNCE: Don't bounce error stanzas or iq results
Matthew Wild <mwild1@gmail.com>
parents: 2086
diff changeset
140 deps[#deps+1] = "type";
a1e9ca4cb181 mod_firewall: BOUNCE: Don't bounce error stanzas or iq results
Matthew Wild <mwild1@gmail.com>
parents: 2086
diff changeset
141 deps[#deps+1] = "name";
a1e9ca4cb181 mod_firewall: BOUNCE: Don't bounce error stanzas or iq results
Matthew Wild <mwild1@gmail.com>
parents: 2086
diff changeset
142 return [[if type == "error" or (name == "iq" and type == "result") then return true; end -- Don't reply to 'error' stanzas, or iq results
a1e9ca4cb181 mod_firewall: BOUNCE: Don't bounce error stanzas or iq results
Matthew Wild <mwild1@gmail.com>
parents: 2086
diff changeset
143 ]]..route_modify_code, deps;
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
144 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
145
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
146 function action_handlers.REDIRECT(where)
950
bea0ef13575c mod_firewall/actions: Remove unused extra argument.
Kim Alvefur <zash@zash.se>
parents: 949
diff changeset
147 return route_modify("clone(stanza)", where, true);
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
148 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
149
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
150 function action_handlers.COPY(where)
950
bea0ef13575c mod_firewall/actions: Remove unused extra argument.
Kim Alvefur <zash@zash.se>
parents: 949
diff changeset
151 return route_modify("clone(stanza)", where, false);
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153
959
6ef334596276 mod_firewall/actions: Add REPLY
Matthew Wild <mwild1@gmail.com>
parents: 958
diff changeset
154 function action_handlers.REPLY(with)
6ef334596276 mod_firewall/actions: Add REPLY
Matthew Wild <mwild1@gmail.com>
parents: 958
diff changeset
155 return route_modify(("reply(stanza):body(%q)"):format(with));
6ef334596276 mod_firewall/actions: Add REPLY
Matthew Wild <mwild1@gmail.com>
parents: 958
diff changeset
156 end
6ef334596276 mod_firewall/actions: Add REPLY
Matthew Wild <mwild1@gmail.com>
parents: 958
diff changeset
157
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 function action_handlers.LOG(string)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
159 local level = string:match("^%[(%a+)%]") or "info";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
160 string = string:gsub("^%[%a+%] ?", "");
2519
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2415
diff changeset
161 local meta_deps = {};
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2415
diff changeset
162 local code = meta(("(session.log or log)(%q, %q);"):format(level, string), meta_deps);
d4bc434a60a4 mod_firewall: Update functions that use meta() to allow functions with deps inside expressions
Matthew Wild <mwild1@gmail.com>
parents: 2415
diff changeset
163 return code, meta_deps;
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
164 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
165
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
166 function action_handlers.RULEDEP(dep)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
167 return "", { dep };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
168 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169
960
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
170 function action_handlers.EVENT(name)
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
171 return ("fire_event(%q, event)"):format(name);
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
172 end
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
173
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
174 function action_handlers.JUMP_EVENT(name)
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
175 return ("do return fire_event(%q, event); end"):format(name);
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
176 end
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
177
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
178 function action_handlers.JUMP_CHAIN(name)
2106
f2ee508315e1 mod_firewall: JUMP_CHAIN: Fix implementation to match docs (i.e. continue processing current chain if stanza not handled)
Matthew Wild <mwild1@gmail.com>
parents: 2094
diff changeset
179 return ("if fire_event(%q, event) then return true; end"):format("firewall/chains/"..name);
960
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
180 end
d773a51af9b1 mod_firewall: Add actions EVENT (fire an event), JUMP EVENT (transfer control to the handlers of an event), JUMP CHAIN (transfer control to another mod_firewall chain)
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
181
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2106
diff changeset
182 function action_handlers.MARK_ORIGIN(name)
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2106
diff changeset
183 return [[session.firewall_marked_]]..idsafe(name)..[[ = current_timestamp;]], { "timestamp" };
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2106
diff changeset
184 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2106
diff changeset
185
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2106
diff changeset
186 function action_handlers.UNMARK_ORIGIN(name)
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2106
diff changeset
187 return [[session.firewall_marked_]]..idsafe(name)..[[ = nil;]]
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2106
diff changeset
188 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2106
diff changeset
189
2531
9d2bfff515b8 mod_firewall: Add 'ADD TO' action for adding to lists
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
190 function action_handlers.ADD_TO(spec)
9d2bfff515b8 mod_firewall: Add 'ADD TO' action for adding to lists
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
191 local list_name, value = spec:match("(%S+) (.+)");
9d2bfff515b8 mod_firewall: Add 'ADD TO' action for adding to lists
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
192 local meta_deps = {};
9d2bfff515b8 mod_firewall: Add 'ADD TO' action for adding to lists
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
193 value = meta(("%q"):format(value), meta_deps);
9d2bfff515b8 mod_firewall: Add 'ADD TO' action for adding to lists
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
194 return ("list_%s:add(%s);"):format(list_name, value), { "list:"..list_name, unpack(meta_deps) };
9d2bfff515b8 mod_firewall: Add 'ADD TO' action for adding to lists
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
195 end
9d2bfff515b8 mod_firewall: Add 'ADD TO' action for adding to lists
Matthew Wild <mwild1@gmail.com>
parents: 2519
diff changeset
196
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
197 return action_handlers;