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mod_rest/jsonmap.lib.lua @ 3822:f0a1d113dce4
mod_rest: Add support for mapping 'node' attr in disco#info
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Thu, 02 Jan 2020 09:28:18 +0100 |
| parent | 3819:1bab6f67eb5f |
| child | 3823:31b1797a78e1 |
| rev | line source |
|---|---|
| 3813 | 1 local array = require "util.array"; |
| 2 local jid = require "util.jid"; | |
| 3 local st = require "util.stanza"; | |
| 4 local xml = require "util.xml"; | |
| 5 | |
| 6 local simple_types = { | |
| 7 -- basic message | |
| 8 body = "text_tag", | |
| 9 subject = "text_tag", | |
| 10 thread = "text_tag", | |
| 11 | |
| 12 -- basic presence | |
| 13 show = "text_tag", | |
| 14 status = "text_tag", | |
| 15 priority = "text_tag", | |
| 16 | |
| 17 state = {"name", "http://jabber.org/protocol/chatstates"}, | |
| 18 nick = {"text_tag", "http://jabber.org/protocol/nick", "nick"}, | |
| 19 delay = {"attr", "urn:xmpp:delay", "delay", "stamp"}, | |
| 20 replace = {"attr", "urn:xmpp:message-correct:0", "replace", "id"}, | |
| 21 | |
| 22 -- XEP-0045 MUC | |
| 23 -- TODO history, password, ??? | |
| 24 join = {"bool_tag", "http://jabber.org/protocol/muc", "x"}, | |
| 25 | |
| 26 -- XEP-0071 | |
| 27 -- FIXME xmlns is awkward | |
| 28 html = { | |
| 29 "func", "http://jabber.org/protocol/xhtml-im", "html", | |
| 30 function (s) --> json string | |
| 31 return tostring(s:get_child("body", "http://www.w3.org/1999/xhtml")); | |
| 32 end; | |
| 33 function (s) --> xml | |
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34 if type(s) == "string" then |
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35 return xml.parse([[<html xmlns='http://jabber.org/protocol/xhtml-im'>]]..s..[[</html>]]); |
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36 end |
| 3813 | 37 end; |
| 38 }; | |
| 39 | |
| 40 -- XEP-0199 | |
| 41 ping = {"bool_tag", "urn:xmpp:ping", "ping"}, | |
| 42 | |
| 43 -- XEP-0030 | |
| 44 disco = { | |
| 45 "func", "http://jabber.org/protocol/disco#info", "query", | |
| 46 function (s) --> array of features | |
| 47 local identities, features = array(), array(); | |
| 48 for tag in s:childtags() do | |
| 49 if tag.name == "identity" and tag.attr.category and tag.attr.type then | |
| 50 identities:push({ category = tag.attr.category, type = tag.attr.type, name = tag.attr.name }); | |
| 51 elseif tag.name == "feature" and tag.attr.var then | |
| 52 features:push(tag.attr.var); | |
| 53 end | |
| 54 end | |
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mod_rest: Add support for mapping 'node' attr in disco#info
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55 return { node = s.attr.node, identities = identities, features = features, }; |
| 3813 | 56 end; |
| 57 function (s) | |
| 58 local disco = st.stanza("query", { xmlns = "http://jabber.org/protocol/disco#info" }); | |
| 59 if type(s) == "table" then | |
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mod_rest: Add support for mapping 'node' attr in disco#info
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60 disco.attr.node = tostring(s.node); |
| 3813 | 61 if s.identities then |
| 62 for identity in ipairs(s.identities) do | |
| 63 disco:tag("identity", { category = identity[1], type = identity[2] }):up(); | |
| 64 end | |
| 65 end | |
| 66 if s.features then | |
| 67 for feature in ipairs(s.features) do | |
| 68 disco:tag("feature", { var = feature }):up(); | |
| 69 end | |
| 70 end | |
| 71 end | |
| 72 return disco; | |
| 73 end; | |
| 74 }; | |
| 75 | |
| 76 items = { | |
| 77 "func", "http://jabber.org/protocol/disco#items", "query", | |
| 78 function (s) --> array of features | |
| 79 local items = array(); | |
| 80 for item in s:childtags("item") do | |
| 81 items:push({ jid = item.attr.jid, node = item.attr.node, name = item.attr.name }); | |
| 82 end | |
| 83 return items; | |
| 84 end; | |
| 85 function (s) | |
| 86 local disco = st.stanza("query", { xmlns = "http://jabber.org/protocol/disco#items" }); | |
| 87 if type(s) == "table" then | |
| 88 for _, item in ipairs(s) do | |
| 89 disco:tag("item", item); | |
| 90 end | |
| 91 end | |
| 92 return disco; | |
| 93 end; | |
| 94 }; | |
| 95 | |
| 96 oob_url = {"func", "jabber:iq:oob", "query", | |
| 97 function (s) | |
| 98 return s:get_child_text("url"); | |
| 99 end; | |
| 100 function (s) | |
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101 if type(s) == "string" then |
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102 return st.stanza("query", { xmlns = "jabber:iq:oob" }):text_tag("url", s); |
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103 end |
| 3813 | 104 end; |
| 105 }; | |
| 106 }; | |
| 107 | |
| 108 local implied_kinds = { | |
| 109 disco = "iq", | |
| 110 items = "iq", | |
| 111 ping = "iq", | |
| 112 | |
| 113 body = "message", | |
| 114 html = "message", | |
| 115 replace = "message", | |
| 116 state = "message", | |
| 117 subject = "message", | |
| 118 thread = "message", | |
| 119 | |
| 120 join = "presence", | |
| 121 priority = "presence", | |
| 122 show = "presence", | |
| 123 status = "presence", | |
| 124 } | |
| 125 | |
| 126 local kind_by_type = { | |
| 127 get = "iq", set = "iq", result = "iq", | |
| 128 normal = "message", chat = "message", headline = "message", groupchat = "message", | |
| 129 available = "presence", unavailable = "presence", | |
| 130 subscribe = "presence", unsubscribe = "presence", | |
| 131 subscribed = "presence", unsubscribed = "presence", | |
| 132 } | |
| 133 | |
| 134 local function st2json(s) | |
| 135 local t = { | |
| 136 kind = s.name, | |
| 137 type = s.attr.type, | |
| 138 to = s.attr.to, | |
| 139 from = s.attr.from, | |
| 140 id = s.attr.id, | |
| 141 }; | |
| 142 if s.name == "presence" and not s.attr.type then | |
| 143 t.type = "available"; | |
| 144 end | |
| 145 | |
| 146 if t.to then | |
| 147 t.to = jid.prep(t.to); | |
| 148 if not t.to then return nil, "invalid-jid-to"; end | |
| 149 end | |
| 150 if t.from then | |
| 151 t.from = jid.prep(t.from); | |
| 152 if not t.from then return nil, "invalid-jid-from"; end | |
| 153 end | |
| 154 | |
| 155 if t.type == "error" then | |
| 156 local err_typ, err_condition, err_text = s:get_error(); | |
| 157 t.error = { | |
| 158 type = err_typ, | |
| 159 condition = err_condition, | |
| 160 text = err_text | |
| 161 }; | |
| 162 return t; | |
| 163 end | |
| 164 | |
| 165 for k, typ in pairs(simple_types) do | |
| 166 if typ == "text_tag" then | |
| 167 t[k] = s:get_child_text(k); | |
| 168 elseif typ[1] == "text_tag" then | |
| 169 t[k] = s:get_child_text(typ[3], typ[2]); | |
| 170 elseif typ[1] == "name" then | |
| 171 local child = s:get_child(nil, typ[2]); | |
| 172 if child then | |
| 173 t[k] = child.name; | |
| 174 end | |
| 175 elseif typ[1] == "attr" then | |
| 176 local child = s:get_child(typ[3], typ[2]) | |
| 177 if child then | |
| 178 t[k] = child.attr[typ[4]]; | |
| 179 end | |
| 180 elseif typ[1] == "bool_tag" then | |
| 181 if s:get_child(typ[3], typ[2]) then | |
| 182 t[k] = true; | |
| 183 end | |
| 184 elseif typ[1] == "func" then | |
| 185 local child = s:get_child(typ[3], typ[2] or k); | |
| 186 -- TODO handle err | |
| 187 if child then | |
| 188 t[k] = typ[4](child); | |
| 189 end | |
| 190 end | |
| 191 end | |
| 192 | |
| 193 return t; | |
| 194 end | |
| 195 | |
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196 local function str(s) |
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197 if type(s) == "string" then |
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198 return s; |
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199 end |
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200 end |
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201 |
| 3813 | 202 local function json2st(t) |
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203 if type(t) ~= "table" or not str(next(t)) then |
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204 return nil, "invalid-json"; |
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205 end |
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206 local kind = str(t.kind) or kind_by_type[str(t.type)]; |
| 3813 | 207 if not kind then |
| 208 for k, implied in pairs(implied_kinds) do | |
| 209 if t[k] then | |
| 210 kind = implied; | |
| 211 break | |
| 212 end | |
| 213 end | |
| 214 end | |
| 215 | |
| 216 local s = st.stanza(kind or "message", { | |
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217 type = t.type ~= "available" and str(t.type) or nil, |
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218 to = str(t.to) and jid.prep(t.to); |
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219 from = str(t.to) and jid.prep(t.from); |
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220 id = str(t.id), |
| 3813 | 221 }); |
| 222 | |
| 223 if t.to and not s.attr.to then | |
| 224 return nil, "invalid-jid-to"; | |
| 225 end | |
| 226 if t.from and not s.attr.from then | |
| 227 return nil, "invalid-jid-from"; | |
| 228 end | |
| 3819 | 229 if kind == "iq" and not s.attr.type then |
| 230 s.attr.type = "get"; | |
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231 end |
| 3813 | 232 |
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233 if type(t.error) == "table" then |
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234 return st.error_reply(st.reply(s), str(t.error.type), str(t.error.condition), str(t.error.text)); |
| 3813 | 235 elseif t.type == "error" then |
| 236 s:text_tag("error", t.body, { code = t.error_code and tostring(t.error_code) }); | |
| 237 return s; | |
| 238 end | |
| 239 | |
| 240 for k, v in pairs(t) do | |
| 241 local typ = simple_types[k]; | |
| 242 if typ then | |
| 243 if typ == "text_tag" then | |
| 244 s:text_tag(k, v); | |
| 245 elseif typ[1] == "text_tag" then | |
| 246 s:text_tag(typ[3] or k, v, typ[2] and { xmlns = typ[2] }); | |
| 247 elseif typ[1] == "name" then | |
| 248 s:tag(v, { xmlns = typ[2] }):up(); | |
| 249 elseif typ[1] == "attr" then | |
| 250 s:tag(typ[3] or k, { xmlns = typ[2], [ typ[4] or k ] = v }):up(); | |
| 251 elseif typ[1] == "bool_tag" then | |
| 252 s:tag(typ[3] or k, { xmlns = typ[2] }):up(); | |
| 253 elseif typ[1] == "func" then | |
| 254 s:add_child(typ[5](v)):up(); | |
| 255 end | |
| 256 end | |
| 257 end | |
| 258 | |
| 259 s:reset(); | |
| 260 | |
| 261 return s; | |
| 262 end | |
| 263 | |
| 264 return { | |
| 265 st2json = st2json; | |
| 266 json2st = json2st; | |
| 267 }; |
