+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
local setmetatable = setmetatable;
local pairs, ipairs = pairs, ipairs;
-local tostring, type = tostring, type;
+local tostring, type, next = tostring, type, next;
local t_concat = table.concat;
-
local st = require "util.stanza";
+local jid_prep = require "util.jid".prep;
module "dataforms"
return setmetatable(layout, form_mt);
end
-local form_x_attr = { xmlns = xmlns_forms };
-
-function form_t.form(layout, data)
- local form = st.stanza("x", form_x_attr);
+function form_t.form(layout, data, formtype)
+ local form = st.stanza("x", { xmlns = xmlns_forms, type = formtype or "form" });
if layout.title then
form:tag("title"):text(layout.title):up();
end
-- Add field tag
form:tag("field", { type = field_type, var = field.name, label = field.label });
- local value = data[field.name];
+ local value = (data and data[field.name]) or field.value;
- -- Add value, depending on type
- if field_type == "hidden" then
- if type(value) == "table" then
- -- Assume an XML snippet
- form:tag("value")
- :add_child(value)
- :up();
- elseif value then
- form:tag("value"):text(tostring(value)):up();
- end
- elseif field_type == "boolean" then
- form:tag("value"):text((value and "1") or "0"):up();
- elseif field_type == "fixed" then
-
- elseif field_type == "jid-multi" then
- for _, jid in ipairs(value) do
- form:tag("value"):text(jid):up();
+ if value then
+ -- Add value, depending on type
+ if field_type == "hidden" then
+ if type(value) == "table" then
+ -- Assume an XML snippet
+ form:tag("value")
+ :add_child(value)
+ :up();
+ else
+ form:tag("value"):text(tostring(value)):up();
+ end
+ elseif field_type == "boolean" then
+ form:tag("value"):text((value and "1") or "0"):up();
+ elseif field_type == "fixed" then
+ form:tag("value"):text(value):up();
+ elseif field_type == "jid-multi" then
+ for _, jid in ipairs(value) do
+ form:tag("value"):text(jid):up();
+ end
+ elseif field_type == "jid-single" then
+ form:tag("value"):text(value):up();
+ elseif field_type == "text-single" or field_type == "text-private" then
+ form:tag("value"):text(value):up();
+ elseif field_type == "text-multi" then
+ -- Split into multiple <value> tags, one for each line
+ for line in value:gmatch("([^\r\n]+)\r?\n*") do
+ form:tag("value"):text(line):up();
+ end
+ elseif field_type == "list-single" then
+ local has_default = false;
+ for _, val in ipairs(value) do
+ if type(val) == "table" then
+ form:tag("option", { label = val.label }):tag("value"):text(val.value):up():up();
+ if val.default and (not has_default) then
+ form:tag("value"):text(val.value):up();
+ has_default = true;
+ end
+ else
+ form:tag("option", { label= val }):tag("value"):text(tostring(val)):up():up();
+ end
+ end
+ elseif field_type == "list-multi" then
+ for _, val in ipairs(value) do
+ if type(val) == "table" then
+ form:tag("option", { label = val.label }):tag("value"):text(val.value):up():up();
+ if val.default then
+ form:tag("value"):text(val.value):up();
+ end
+ else
+ form:tag("option", { label= val }):tag("value"):text(tostring(val)):up():up();
+ end
+ end
end
- elseif field_type == "jid-single" then
- form:tag("value"):text(value):up();
- elseif field_type == "text-single" or field_type == "text-private" then
- form:tag("value"):text(value):up();
- elseif field_type == "text-multi" then
- -- Split into multiple <value> tags, one for each line
- for line in value:gmatch("([^\r\n]+)\r?\n*") do
- form:tag("value"):text(line):up();
+ end
+
+ local media = field.media;
+ if media then
+ form:tag("media", { xmlns = "urn:xmpp:media-element", height = media.height, width = media.width });
+ for _, val in ipairs(media) do
+ form:tag("uri", { type = val.type }):text(val.uri):up()
end
+ form:up();
end
if field.required then
function form_t.data(layout, stanza)
local data = {};
-
- for field_tag in stanza:childtags() do
- local field_type = field_tag.attr.type;
-
- local reader = field_readers[field_type];
- if reader then
- data[field_tag.attr.var] = reader(field_tag);
+ local errors = {};
+
+ for _, field in ipairs(layout) do
+ local tag;
+ for field_tag in stanza:childtags() do
+ if field.name == field_tag.attr.var then
+ tag = field_tag;
+ break;
+ end
end
-
+
+ if not tag then
+ if field.required then
+ errors[field.name] = "Required value missing";
+ end
+ else
+ local reader = field_readers[field.type];
+ if reader then
+ data[field.name], errors[field.name] = reader(tag, field.required);
+ end
+ end
+ end
+ if next(errors) then
+ return data, errors;
end
return data;
end
-field_readers["text-single"] =
- function (field_tag)
- local value = field_tag:child_with_name("value");
- if value then
- return value[1];
+field_readers["text-single"] =
+ function (field_tag, required)
+ local data = field_tag:get_child_text("value");
+ if data and #data > 0 then
+ return data
+ elseif required then
+ return nil, "Required value missing";
end
end
-field_readers["text-private"] =
+field_readers["text-private"] =
field_readers["text-single"];
-field_readers["text-multi"] =
- function (field_tag)
+field_readers["jid-single"] =
+ function (field_tag, required)
+ local raw_data = field_tag:get_child_text("value")
+ local data = jid_prep(raw_data);
+ if data and #data > 0 then
+ return data
+ elseif raw_data then
+ return nil, "Invalid JID: " .. raw_data;
+ elseif required then
+ return nil, "Required value missing";
+ end
+ end
+
+field_readers["jid-multi"] =
+ function (field_tag, required)
local result = {};
- for value_tag in field_tag:childtags() do
- if value_tag.name == "value" then
- result[#result+1] = value_tag[1];
+ local err = {};
+ for value_tag in field_tag:childtags("value") do
+ local raw_value = value_tag:get_text();
+ local value = jid_prep(raw_value);
+ result[#result+1] = value;
+ if raw_value and not value then
+ err[#err+1] = ("Invalid JID: " .. raw_value);
end
end
- return t_concat(result, "\n");
+ if #result > 0 then
+ return result, (#err > 0 and t_concat(err, "\n") or nil);
+ elseif required then
+ return nil, "Required value missing";
+ end
end
-field_readers["boolean"] =
- function (field_tag)
- local value = field_tag:child_with_name("value");
- if value then
- if value[1] == "1" or value[1] == "true" then
- return true;
- else
- return false;
- end
- end
+field_readers["list-multi"] =
+ function (field_tag, required)
+ local result = {};
+ for value in field_tag:childtags("value") do
+ result[#result+1] = value:get_text();
+ end
+ if #result > 0 then
+ return result;
+ elseif required then
+ return nil, "Required value missing";
+ end
end
-field_readers["hidden"] =
- function (field_tag)
- local value = field_tag:child_with_name("value");
- if value then
- return value[1];
+field_readers["text-multi"] =
+ function (field_tag, required)
+ local data, err = field_readers["list-multi"](field_tag, required);
+ if data then
+ data = t_concat(data, "\n");
end
+ return data, err;
end
-
+
+field_readers["list-single"] =
+ field_readers["text-single"];
+
+local boolean_values = {
+ ["1"] = true, ["true"] = true,
+ ["0"] = false, ["false"] = false,
+};
+
+field_readers["boolean"] =
+ function (field_tag, required)
+ local raw_value = field_tag:get_child_text("value");
+ local value = boolean_values[raw_value ~= nil and raw_value];
+ if value ~= nil then
+ return value;
+ elseif raw_value then
+ return nil, "Invalid boolean representation";
+ elseif required then
+ return nil, "Required value missing";
+ end
+ end
+
+field_readers["hidden"] =
+ function (field_tag)
+ return field_tag:get_child_text("value");
+ end
+
return _M;
projects / prosody.git / blobdiff