prosody
494577d883ff
util/dataforms.lua

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util/dataforms.lua @ 12591:494577d883ff

util.table: Fix inaccurate comment Probably a duplicate of the comment next to Lmove, recorded by mistake Lpack can probably be removed at some point in the near future once we are confident it is not used anywhere.
author Kim Alvefur <zash@zash.se>
date Mon, 11 Jul 2022 20:02:10 +0200
parent 11881:2138fc13d53a
child 12975:d10957394a3c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local setmetatable = setmetatable;
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10 local ipairs = ipairs;
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11 local type, next = type, next;
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12 local tonumber = tonumber;
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13 local tostring = tostring;
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14 local t_concat = table.concat;
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15 local st = require "util.stanza";
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16 local jid_prep = require "util.jid".prep;
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17 local datetime = require "util.datetime";
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18
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19 local _ENV = nil;
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20 -- luacheck: std none
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21
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22 local xmlns_forms = 'jabber:x:data';
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23 local xmlns_validate = 'http://jabber.org/protocol/xdata-validate';
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24
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25 local form_t = {};
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26 local form_mt = { __index = form_t };
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27
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28 local function new(layout)
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29 return setmetatable(layout, form_mt);
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30 end
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31
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32 function form_t.form(layout, data, formtype)
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33 if not formtype then formtype = "form" end
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34 local form = st.stanza("x", { xmlns = xmlns_forms, type = formtype });
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35 if formtype == "cancel" then
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36 return form;
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37 end
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38 if formtype ~= "submit" then
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39 if layout.title then
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40 form:tag("title"):text(layout.title):up();
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41 end
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42 if layout.instructions then
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43 form:tag("instructions"):text(layout.instructions):up();
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44 end
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45 end
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46 for _, field in ipairs(layout) do
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47 local field_type = field.type or "text-single";
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48 -- Add field tag
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49 form:tag("field", { type = field_type, var = field.var or field.name, label = formtype ~= "submit" and field.label or nil });
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50
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51 if formtype ~= "submit" then
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52 if field.desc then
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53 form:text_tag("desc", field.desc);
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54 end
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55 end
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56
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57 if formtype == "form" and field.datatype then
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58 form:tag("validate", { xmlns = xmlns_validate, datatype = field.datatype });
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59 if field.range_min or field.range_max then
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60 form:tag("range", {
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61 min = field.range_min and tostring(field.range_min),
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62 max = field.range_max and tostring(field.range_max),
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63 }):up();
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64 end
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65 -- <basic/> assumed
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66 form:up();
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67 end
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68
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69
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70 local value = field.value;
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71 local options = field.options;
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72
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73 if data and data[field.name] ~= nil then
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74 value = data[field.name];
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75
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76 if formtype == "form" and type(value) == "table"
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77 and (field_type == "list-single" or field_type == "list-multi") then
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78 -- Allow passing dynamically generated options as values
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79 options, value = value, nil;
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80 end
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81 end
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82
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83 if formtype == "form" and options then
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84 local defaults = {};
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85 for _, val in ipairs(options) do
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86 if type(val) == "table" then
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87 form:tag("option", { label = val.label }):tag("value"):text(val.value):up():up();
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88 if val.default then
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89 defaults[#defaults+1] = val.value;
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90 end
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91 else
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92 form:tag("option", { label= val }):tag("value"):text(val):up():up();
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93 end
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94 end
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95 if not value then
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96 if field_type == "list-single" then
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97 value = defaults[1];
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98 elseif field_type == "list-multi" then
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99 value = defaults;
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100 end
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101 end
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102 end
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103
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104 if value ~= nil then
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105 if type(value) == "number" then
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106 if field.datatype == "xs:dateTime" then
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107 value = datetime.datetime(value);
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108 elseif field_type == "boolean" then
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109 value = value ~= 0;
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110 elseif field.datatype == "xs:double" or field.datatype == "xs:decimal" then
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111 value = ("%f"):format(value);
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112 else
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113 value = ("%d"):format(value);
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114 end
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115 end
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116 -- Add value, depending on type
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117 if field_type == "hidden" then
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118 if type(value) == "table" then
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119 -- Assume an XML snippet
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120 form:tag("value")
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121 :add_child(value)
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122 :up();
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123 else
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124 form:tag("value"):text(value):up();
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125 end
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126 elseif field_type == "boolean" then
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127 form:tag("value"):text((value and "1") or "0"):up();
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128 elseif field_type == "fixed" then
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129 form:tag("value"):text(value):up();
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130 elseif field_type == "jid-multi" then
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131 for _, jid in ipairs(value) do
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
132 form:tag("value"):text(jid):up();
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
133 end
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
134 elseif field_type == "jid-single" then
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
135 form:tag("value"):text(value):up();
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
136 elseif field_type == "text-single" or field_type == "text-private" then
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
137 form:tag("value"):text(value):up();
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
138 elseif field_type == "text-multi" then
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
139 -- Split into multiple <value> tags, one for each line
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
140 for line in value:gmatch("([^\r\n]+)\r?\n*") do
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
141 form:tag("value"):text(line):up();
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
142 end
e34fdca432a9 util.dataforms: Only add value to rendered form if supplied in the data
Florian Zeitz
parents: 1958
diff changeset
143 elseif field_type == "list-single" then
9111
bc7473fb7ad3 util.dataforms: Normalize indentation
Kim Alvefur <zash@zash.se>
parents: 9094
diff changeset
144 form:tag("value"):text(value):up();
3380
e74e80b454a1 util.dataforms: Add list-multi support
Florian Zeitz <florob@babelmonkeys.de>
parents: 3379
diff changeset
145 elseif field_type == "list-multi" then
9111
bc7473fb7ad3 util.dataforms: Normalize indentation
Kim Alvefur <zash@zash.se>
parents: 9094
diff changeset
146 for _, val in ipairs(value) do
bc7473fb7ad3 util.dataforms: Normalize indentation
Kim Alvefur <zash@zash.se>
parents: 9094
diff changeset
147 form:tag("value"):text(val):up();
7442
156c95bfed0b util.dataforms: Allow separation of options from values in list fields
Kim Alvefur <zash@zash.se>
parents: 6981
diff changeset
148 end
1958
e2b0026143c4 util.dataforms: Incorporate slightly modified patch for list-single type from Florob
Matthew Wild <mwild1@gmail.com>
parents: 1945
diff changeset
149 end
845
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parents:
diff changeset
150 end
6148
7dcd6f124c93 util.dataforms: Add support for XEP-0221: Data Forms Media Element
Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
151
7dcd6f124c93 util.dataforms: Add support for XEP-0221: Data Forms Media Element
Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
152 local media = field.media;
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Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
153 if media then
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2138fc13d53a util.dataforms: Encode size attributes as integers in XEP-0221 media element
Kim Alvefur <zash@zash.se>
parents: 11880
diff changeset
154 form:tag("media", { xmlns = "urn:xmpp:media-element", height = ("%d"):format(media.height), width = ("%d"):format(media.width) });
6148
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parents: 5693
diff changeset
155 for _, val in ipairs(media) do
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Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
156 form:tag("uri", { type = val.type }):text(val.uri):up()
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Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
157 end
7dcd6f124c93 util.dataforms: Add support for XEP-0221: Data Forms Media Element
Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
158 form:up();
7dcd6f124c93 util.dataforms: Add support for XEP-0221: Data Forms Media Element
Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
159 end
6149
2ae6e9063e88 Merge 0.9->0.10
Kim Alvefur <zash@zash.se>
parents: 5776 6148
diff changeset
160
9090
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Kim Alvefur <zash@zash.se>
parents: 9089
diff changeset
161 if formtype == "form" and field.required then
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Matthew Wild <mwild1@gmail.com>
parents: 951
diff changeset
162 form:tag("required"):up();
ef648f49e734 util.dataforms: Add support for <required/> fields
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parents: 951
diff changeset
163 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5693
diff changeset
164
845
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parents:
diff changeset
165 -- Jump back up to list of fields
fc3dced9801e util.dataforms: First commit, incomplete
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parents:
diff changeset
166 form:up();
fc3dced9801e util.dataforms: First commit, incomplete
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parents:
diff changeset
167 end
851
b48c7ed3f7f8 util.dataforms: Return the form
Matthew Wild <mwild1@gmail.com>
parents: 845
diff changeset
168 return form;
845
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parents:
diff changeset
169 end
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
170
955
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diff changeset
171 local field_readers = {};
9243
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Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
172 local data_validators = {};
955
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parents: 954
diff changeset
173
9121
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Kim Alvefur <zash@zash.se>
parents: 9111
diff changeset
174 function form_t.data(layout, stanza, current)
955
98ca5a753fee util.dataforms: Support for retriving the field value data from forms
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
175 local data = {};
4397
1378e3c79c34 util.dataforms: Add field verification logic
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parents: 3540
diff changeset
176 local errors = {};
6981
bcaa553de6e8 util.dataforms: Track which fields are included in a form
Kim Alvefur <zash@zash.se>
parents: 6830
diff changeset
177 local present = {};
4397
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parents: 3540
diff changeset
178
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
179 for _, field in ipairs(layout) do
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
180 local tag;
6467
77d00a895bbd util/dataforms: Make sure we iterate over field tags
daurnimator <quae@daurnimator.com>
parents: 6148
diff changeset
181 for field_tag in stanza:childtags("field") do
9242
68694c1bd960 util.dataforms: Allow field names to be different from the 'var' attribute
Kim Alvefur <zash@zash.se>
parents: 9121
diff changeset
182 if (field.var or field.name) == field_tag.attr.var then
4397
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
183 tag = field_tag;
2219
9e1c6b6a2ee4 util.dataforms: Don't require type when parsing form XML
Florian Zeitz
parents: 2070
diff changeset
184 break;
9e1c6b6a2ee4 util.dataforms: Don't require type when parsing form XML
Florian Zeitz
parents: 2070
diff changeset
185 end
9e1c6b6a2ee4 util.dataforms: Don't require type when parsing form XML
Florian Zeitz
parents: 2070
diff changeset
186 end
4397
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parents: 3540
diff changeset
187
4434
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parents: 4397
diff changeset
188 if not tag then
9121
e5eb36ee07a2 util.dataforms: Allow passing the current values to be used in stead of omitted fields
Kim Alvefur <zash@zash.se>
parents: 9111
diff changeset
189 if current and current[field.name] ~= nil then
e5eb36ee07a2 util.dataforms: Allow passing the current values to be used in stead of omitted fields
Kim Alvefur <zash@zash.se>
parents: 9111
diff changeset
190 data[field.name] = current[field.name];
e5eb36ee07a2 util.dataforms: Allow passing the current values to be used in stead of omitted fields
Kim Alvefur <zash@zash.se>
parents: 9111
diff changeset
191 elseif field.required then
4434
51a7c85751b9 util.dataforms: Fix form verification
Florian Zeitz <florob@babelmonkeys.de>
parents: 4397
diff changeset
192 errors[field.name] = "Required value missing";
51a7c85751b9 util.dataforms: Fix form verification
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parents: 4397
diff changeset
193 end
9047
ab3488ee3ca5 util.dataforms: Ensure fields have names when collecting data (fixes traceback, thanks Martin)
Kim Alvefur <zash@zash.se>
parents: 8984
diff changeset
194 elseif field.name then
6981
bcaa553de6e8 util.dataforms: Track which fields are included in a form
Kim Alvefur <zash@zash.se>
parents: 6830
diff changeset
195 present[field.name] = true;
4434
51a7c85751b9 util.dataforms: Fix form verification
Florian Zeitz <florob@babelmonkeys.de>
parents: 4397
diff changeset
196 local reader = field_readers[field.type];
51a7c85751b9 util.dataforms: Fix form verification
Florian Zeitz <florob@babelmonkeys.de>
parents: 4397
diff changeset
197 if reader then
9243
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
198 local value, err = reader(tag, field.required);
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
199 local validator = field.datatype and data_validators[field.datatype];
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
200 if value ~= nil and validator then
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
201 local valid, ret = validator(value, field);
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
202 if valid then
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
203 value = ret;
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
204 else
9246
397e8e5a2f1f util.dataforms: Improve default error message for failed datatype validation
Kim Alvefur <zash@zash.se>
parents: 9243
diff changeset
205 value, err = nil, ret or ("Invalid value for data of type " .. field.datatype);
9243
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
206 end
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
207 end
a4c52e304e6f util.dataforms: Add support for XEP-0122: Data Forms Validation
Kim Alvefur <zash@zash.se>
parents: 9242
diff changeset
208 data[field.name], errors[field.name] = value, err;
4397
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
209 end
955
98ca5a753fee util.dataforms: Support for retriving the field value data from forms
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
210 end
4397
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
211 end
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
212 if next(errors) then
6981
bcaa553de6e8 util.dataforms: Track which fields are included in a form
Kim Alvefur <zash@zash.se>
parents: 6830
diff changeset
213 return data, errors, present;
955
98ca5a753fee util.dataforms: Support for retriving the field value data from forms
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
214 end
6981
bcaa553de6e8 util.dataforms: Track which fields are included in a form
Kim Alvefur <zash@zash.se>
parents: 6830
diff changeset
215 return data, nil, present;
845
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
216 end
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
217
6829
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
218 local function simple_text(field_tag, required)
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
219 local data = field_tag:get_child_text("value");
6830
e08f5d081a6c util.dataforms: Fix interaction of required fields and empty string values (fixes #521)
Kim Alvefur <zash@zash.se>
parents: 6829
diff changeset
220 -- XEP-0004 does not say if an empty string is acceptable for a required value
e08f5d081a6c util.dataforms: Fix interaction of required fields and empty string values (fixes #521)
Kim Alvefur <zash@zash.se>
parents: 6829
diff changeset
221 -- so we will follow HTML5 which says that empty string means missing
e08f5d081a6c util.dataforms: Fix interaction of required fields and empty string values (fixes #521)
Kim Alvefur <zash@zash.se>
parents: 6829
diff changeset
222 if required and (data == nil or data == "") then
6829
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
223 return nil, "Required value missing";
4397
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
224 end
6830
e08f5d081a6c util.dataforms: Fix interaction of required fields and empty string values (fixes #521)
Kim Alvefur <zash@zash.se>
parents: 6829
diff changeset
225 return data; -- Return whatever get_child_text returned, even if empty string
6829
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
226 end
4397
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
227
6829
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
228 field_readers["text-single"] = simple_text;
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
229
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
230 field_readers["text-private"] = simple_text;
955
98ca5a753fee util.dataforms: Support for retriving the field value data from forms
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
231
1944
754eebd31538 util.dataforms: Support for jid-single field type especially for Florob :)
Matthew Wild <mwild1@gmail.com>
parents: 1522
diff changeset
232 field_readers["jid-single"] =
4884
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
233 function (field_tag, required)
6829
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
234 local raw_data, err = simple_text(field_tag, required);
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
235 if not raw_data then return raw_data, err; end
4884
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
236 local data = jid_prep(raw_data);
6829
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
237 if not data then
4887
4dd61fe04db4 util.dataforms: Don't return invalid JIDs in jid-single.
Kim Alvefur <zash@zash.se>
parents: 4886
diff changeset
238 return nil, "Invalid JID: " .. raw_data;
4397
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
239 end
6829
22522443982f util.dataforms: Refactor parsing to reuse simple text parser instead of duplicate code
Kim Alvefur <zash@zash.se>
parents: 6777
diff changeset
240 return data;
4397
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Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
241 end
1378e3c79c34 util.dataforms: Add field verification logic
Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
242
3540
bc139431830b Monster whitespace commit (beware the whitespace monster).
Waqas Hussain <waqas20@gmail.com>
parents: 3380
diff changeset
243 field_readers["jid-multi"] =
4884
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
244 function (field_tag, required)
2070
25dc4b9d06b1 util.dataforms: Support for jid-multi field type
Florian Zeitz
parents: 2061
diff changeset
245 local result = {};
4884
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
246 local err = {};
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
247 for value_tag in field_tag:childtags("value") do
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
248 local raw_value = value_tag:get_text();
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
249 local value = jid_prep(raw_value);
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
250 result[#result+1] = value;
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
251 if raw_value and not value then
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
252 err[#err+1] = ("Invalid JID: " .. raw_value);
2070
25dc4b9d06b1 util.dataforms: Support for jid-multi field type
Florian Zeitz
parents: 2061
diff changeset
253 end
25dc4b9d06b1 util.dataforms: Support for jid-multi field type
Florian Zeitz
parents: 2061
diff changeset
254 end
4884
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
255 if #result > 0 then
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
256 return result, (#err > 0 and t_concat(err, "\n") or nil);
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
257 elseif required then
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
258 return nil, "Required value missing";
4397
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Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
259 end
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Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
260 end
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Florian Zeitz <florob@babelmonkeys.de>
parents: 3540
diff changeset
261
4884
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Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
262 field_readers["list-multi"] =
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
263 function (field_tag, required)
955
98ca5a753fee util.dataforms: Support for retriving the field value data from forms
Matthew Wild <mwild1@gmail.com>
parents: 954
diff changeset
264 local result = {};
4884
b8d852aea3ad util.dataforms: Do field validation and normalization in field readers.
Kim Alvefur <zash@zash.se>
parents: 4435
diff changeset
265 for value in field_tag:childtags("value") do
4928
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266 result[#result+1] = value:get_text();
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267 end
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268 if #result > 0 then
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269 return result;
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parents: 5551
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270 elseif required then
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parents: 5551
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271 return nil, "Required value missing";
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272 end
955
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273 end
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274
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275 field_readers["text-multi"] =
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276 function (field_tag, required)
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277 local data, err = field_readers["list-multi"](field_tag, required);
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parents: 4435
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278 if data then
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279 data = t_concat(data, "\n");
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280 end
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281 return data, err;
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282 end
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283
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284 field_readers["list-single"] = simple_text;
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parents: 1945
diff changeset
285
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286 local boolean_values = {
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287 ["1"] = true, ["true"] = true,
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288 ["0"] = false, ["false"] = false,
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289 };
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290
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291 field_readers["boolean"] =
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292 function (field_tag, required)
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293 local raw_value, err = simple_text(field_tag, required);
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294 if not raw_value then return raw_value, err; end
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295 local value = boolean_values[raw_value];
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296 if value == nil then
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297 return nil, "Invalid boolean representation:" .. raw_value;
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298 end
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299 return value;
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300 end
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parents: 3540
diff changeset
301
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diff changeset
302 field_readers["hidden"] =
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diff changeset
303 function (field_tag)
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304 return field_tag:get_child_text("value");
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305 end
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diff changeset
306
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parents: 9242
diff changeset
307 data_validators["xs:integer"] =
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diff changeset
308 function (data, field)
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parents: 9242
diff changeset
309 local n = tonumber(data);
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parents: 9242
diff changeset
310 if not n then
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parents: 9242
diff changeset
311 return false, "not a number";
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parents: 9242
diff changeset
312 elseif n % 1 ~= 0 then
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parents: 9242
diff changeset
313 return false, "not an integer";
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parents: 9242
diff changeset
314 end
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diff changeset
315 if field.range_max and n > field.range_max then
f7f30a3464fe util.dataforms: Add support for validating (integer) ranges
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diff changeset
316 return false, "out of bounds";
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parents: 11026
diff changeset
317 elseif field.range_min and n < field.range_min then
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parents: 11026
diff changeset
318 return false, "out of bounds";
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parents: 11026
diff changeset
319 end
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diff changeset
320 return true, n;
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parents: 9242
diff changeset
321 end
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parents: 9242
diff changeset
322
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diff changeset
323 data_validators["pubsub:integer-or-max"] =
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diff changeset
324 function (data, field)
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diff changeset
325 if data == "max" then
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parents: 11070
diff changeset
326 return true, data;
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327 else
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328 return data_validators["xs:integer"](data, field);
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parents: 11070
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329 end
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parents: 11070
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330 end
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parents: 11070
diff changeset
331
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diff changeset
332 data_validators["xs:dateTime"] =
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333 function(data, field) -- luacheck: ignore 212/field
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334 local n = datetime.parse(data);
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335 if not n then return false, "invalid timestamp"; end
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parents: 11630
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336 return true, n;
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parents: 11630
diff changeset
337 end
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parents: 11630
diff changeset
338
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cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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parents: 8863
diff changeset
339
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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diff changeset
340 local function get_form_type(form)
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parents: 8863
diff changeset
341 if not st.is_stanza(form) then
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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342 return nil, "not a stanza object";
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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parents: 8863
diff changeset
343 elseif form.attr.xmlns ~= "jabber:x:data" or form.name ~= "x" then
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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diff changeset
344 return nil, "not a dataform element";
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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parents: 8863
diff changeset
345 end
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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parents: 8863
diff changeset
346 for field in form:childtags("field") do
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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parents: 8863
diff changeset
347 if field.attr.var == "FORM_TYPE" then
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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parents: 8863
diff changeset
348 return field:get_child_text("value");
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parents: 8863
diff changeset
349 end
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
Kim Alvefur <zash@zash.se>
parents: 8863
diff changeset
350 end
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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parents: 8863
diff changeset
351 return "";
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
Kim Alvefur <zash@zash.se>
parents: 8863
diff changeset
352 end
cf2f66b233d1 util.dataforms: Add a simple function for identifying form types
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parents: 8863
diff changeset
353
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parents: 6672
diff changeset
354 return {
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parents: 6672
diff changeset
355 new = new;
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diff changeset
356 get_type = get_form_type;
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5de6b93d0190 util.*: Remove use of module() function, make all module functions local and return them in a table at the end
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parents: 6672
diff changeset
357 };
845
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parents:
diff changeset
358
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
359
951
4b9207949735 util.dataforms: Fixed to actually work, mostly
Matthew Wild <mwild1@gmail.com>
parents: 851
diff changeset
360 --[=[
845
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
361
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
362 Layout:
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
363 {
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
364
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
365 title = "MUC Configuration",
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
366 instructions = [[Use this form to configure options for this MUC room.]],
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
367
fc3dced9801e util.dataforms: First commit, incomplete
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parents:
diff changeset
368 { name = "FORM_TYPE", type = "hidden", required = true };
fc3dced9801e util.dataforms: First commit, incomplete
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parents:
diff changeset
369 { name = "field-name", type = "field-type", required = false };
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
370 }
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
371
fc3dced9801e util.dataforms: First commit, incomplete
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
372
951
4b9207949735 util.dataforms: Fixed to actually work, mostly
Matthew Wild <mwild1@gmail.com>
parents: 851
diff changeset
373 --]=]