Mercurial > prosody-modules

annotate mod_captcha_registration/util/dataforms.lua @ 3656:3e0f4d727825

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mod_vcard_muc: Add an alternative method of signaling avatar change When the avatar has been changed, a signal is sent that the room configuration has changed. Clients then do a disco#info query to find the SHA-1 of the new avatar. They can then fetch it as before, or not if they have it cached already. This is meant to be less disruptive than signaling via presence, which caused problems for some clients. If clients transition to the new method, the old one can eventually be removed. The namespace is made up while waiting for standardization. Otherwise it is very close to what's described in https://xmpp.org/extensions/inbox/muc-avatars.html
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:46:43 +0200
parents 985bfc6e8cad
children
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1373
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mrDoctorWho <mrdoctorwho@gmail.com>
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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 pairs, ipairs = pairs, ipairs;
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11 local tostring, type, next = tostring, type, next;
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12 local t_concat = table.concat;
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13 local st = require "util.stanza";
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14 local jid_prep = require "util.jid".prep;
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15
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16 module "dataforms"
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17
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18 local xmlns_forms = 'jabber:x:data';
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19
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20 local form_t = {};
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21 local form_mt = { __index = form_t };
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22
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23 function new(layout)
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24 return setmetatable(layout, form_mt);
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25 end
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26
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27 function form_t.form(layout, data, formtype)
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28 local form = st.stanza("x", { xmlns = xmlns_forms, type = formtype or "form" });
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29 if layout.title then
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30 form:tag("title"):text(layout.title):up();
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31 end
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32 if layout.instructions then
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33 form:tag("instructions"):text(layout.instructions):up();
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34 end
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35 for n, field in ipairs(layout) do
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36 local field_type = field.type or "text-single";
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37 -- Add field tag
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38 form:tag("field", { type = field_type, var = field.name, label = field.label });
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39
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40 local value = (data and data[field.name]) or field.value;
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41
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42 if value then
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43 -- Add value, depending on type
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44 if field_type == "hidden" then
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45 if type(value) == "table" then
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46 -- Assume an XML snippet
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47 form:tag("value")
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48 :add_child(value)
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49 :up();
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50 else
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51 form:tag("value"):text(tostring(value)):up();
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52 end
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53 elseif field_type == "boolean" then
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54 form:tag("value"):text((value and "1") or "0"):up();
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55 elseif field_type == "fixed" then
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56 form:tag("value"):text(value):up();
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57 elseif field_type == "jid-multi" then
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58 for _, jid in ipairs(value) do
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59 form:tag("value"):text(jid):up();
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60 end
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61 elseif field_type == "jid-single" then
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62 form:tag("value"):text(value):up();
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63 elseif field_type == "text-single" or field_type == "text-private" then
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64 form:tag("value"):text(value):up();
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65 elseif field_type == "text-multi" then
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66 -- Split into multiple <value> tags, one for each line
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67 for line in value:gmatch("([^\r\n]+)\r?\n*") do
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68 form:tag("value"):text(line):up();
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69 end
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70 elseif field_type == "list-single" then
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71 local has_default = false;
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72 for _, val in ipairs(value) do
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73 if type(val) == "table" then
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74 form:tag("option", { label = val.label }):tag("value"):text(val.value):up():up();
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75 if val.default and (not has_default) then
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76 form:tag("value"):text(val.value):up();
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77 has_default = true;
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78 end
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79 else
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80 form:tag("option", { label= val }):tag("value"):text(tostring(val)):up():up();
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81 end
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82 end
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83 elseif field_type == "list-multi" then
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84 for _, val in ipairs(value) do
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85 if type(val) == "table" then
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86 form:tag("option", { label = val.label }):tag("value"):text(val.value):up():up();
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87 if val.default then
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88 form:tag("value"):text(val.value):up();
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89 end
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90 else
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91 form:tag("option", { label= val }):tag("value"):text(tostring(val)):up():up();
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92 end
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93 end
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94 elseif field_type == "media" then
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95 form:tag("media", { xmlns = "urn:xmpp:media-element" });
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96 for _, val in ipairs(value) do
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97 form:tag("uri", { type = val.type }):text(val.uri):up()
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98 end
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99 form:up();
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100 end
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101 end
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102
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103 if field.required then
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104 form:tag("required"):up();
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105 end
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106
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107 -- Jump back up to list of fields
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108 form:up();
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109 end
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110 return form;
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111 end
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112
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113 local field_readers = {};
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114
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115 function form_t.data(layout, stanza)
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116 local data = {};
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117 local errors = {};
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118
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119 for _, field in ipairs(layout) do
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120 local tag;
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121 for field_tag in stanza:childtags() do
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122 if field.name == field_tag.attr.var then
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123 tag = field_tag;
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124 break;
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125 end
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126 end
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127
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128 if not tag then
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129 if field.required then
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130 errors[field.name] = "Required value missing";
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131 end
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132 else
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133 local reader = field_readers[field.type];
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134 if reader then
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135 data[field.name], errors[field.name] = reader(tag, field.required);
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136 end
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137 end
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138 end
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139 if next(errors) then
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140 return data, errors;
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141 end
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142 return data;
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143 end
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144
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145 field_readers["text-single"] =
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146 function (field_tag, required)
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147 local data = field_tag:get_child_text("value");
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148 if data and #data > 0 then
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149 return data
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mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
150 elseif required then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
151 return nil, "Required value missing";
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
152 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
153 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
154
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
155 field_readers["text-private"] =
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
156 field_readers["text-single"];
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
157
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
158 field_readers["jid-single"] =
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
159 function (field_tag, required)
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
160 local raw_data = field_tag:get_child_text("value")
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
161 local data = jid_prep(raw_data);
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
162 if data and #data > 0 then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
163 return data
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
164 elseif raw_data then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
165 return nil, "Invalid JID: " .. raw_data;
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
166 elseif required then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
167 return nil, "Required value missing";
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
168 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
169 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
170
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
171 field_readers["jid-multi"] =
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
172 function (field_tag, required)
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
173 local result = {};
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
174 local err = {};
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
175 for value_tag in field_tag:childtags("value") do
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
176 local raw_value = value_tag:get_text();
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
177 local value = jid_prep(raw_value);
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
178 result[#result+1] = value;
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
179 if raw_value and not value then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
180 err[#err+1] = ("Invalid JID: " .. raw_value);
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
181 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
182 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
183 if #result > 0 then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
184 return result, (#err > 0 and t_concat(err, "\n") or nil);
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
185 elseif required then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
186 return nil, "Required value missing";
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
187 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
188 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
189
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
190 field_readers["list-multi"] =
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
191 function (field_tag, required)
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
192 local result = {};
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
193 for value in field_tag:childtags("value") do
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
194 result[#result+1] = value:get_text();
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
195 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
196 if #result > 0 then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
197 return result;
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
198 elseif required then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
199 return nil, "Required value missing";
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
200 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
201 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
202
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
203 field_readers["text-multi"] =
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
204 function (field_tag, required)
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
205 local data, err = field_readers["list-multi"](field_tag, required);
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
206 if data then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
207 data = t_concat(data, "\n");
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
208 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
209 return data, err;
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
210 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
211
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
212 field_readers["list-single"] =
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
213 field_readers["text-single"];
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
214
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
215 local boolean_values = {
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
216 ["1"] = true, ["true"] = true,
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
217 ["0"] = false, ["false"] = false,
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
218 };
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
219
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
220 field_readers["boolean"] =
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
221 function (field_tag, required)
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
222 local raw_value = field_tag:get_child_text("value");
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
223 local value = boolean_values[raw_value ~= nil and raw_value];
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
224 if value ~= nil then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
225 return value;
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
226 elseif raw_value then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
227 return nil, "Invalid boolean representation";
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
228 elseif required then
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
229 return nil, "Required value missing";
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
230 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
231 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
232
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
233 field_readers["hidden"] =
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
234 function (field_tag)
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
235 return field_tag:get_child_text("value");
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
236 end
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
237
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
238 field_readers["media"] = field_readers["text-single"]
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
239
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
240 return _M;
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
241
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
242
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
243 --[=[
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
244
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
245 Layout:
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
246 {
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
247
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
248 title = "MUC Configuration",
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
249 instructions = [[Use this form to configure options for this MUC room.]],
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
250
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
251 { name = "FORM_TYPE", type = "hidden", required = true };
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
252 { name = "field-name", type = "field-type", required = false };
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
253 }
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
254
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
255
985bfc6e8cad mod_captcha_registration: initial commit
mrDoctorWho <mrdoctorwho@gmail.com>
parents:
diff changeset
256 --]=]