Mercurial > prosody-modules

annotate mod_captcha_registration/util/dataforms.lua @ 1373:985bfc6e8cad

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mod_captcha_registration: initial commit
author mrDoctorWho <mrdoctorwho@gmail.com>
date Sat, 29 Mar 2014 22:56:24 +0700
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985bfc6e8cad mod_captcha_registration: initial commit
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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150 elseif required then
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151 return nil, "Required value missing";
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152 end
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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 --]=]