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80 lines
3.3 KiB
Java
80 lines
3.3 KiB
Java
/*
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* Copyright 2010 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.zxing.client.result;
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import com.google.zxing.Result;
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@SuppressWarnings("checkstyle:lineLength")
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/**
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* <p>Parses a WIFI configuration string. Strings will be of the form:</p>
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*
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* <p>{@code WIFI:T:[network type];S:[network SSID];P:[network password];H:[hidden?];;}</p>
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*
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* <p>For WPA2 enterprise (EAP), strings will be of the form:</p>
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*
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* <p>{@code WIFI:T:WPA2-EAP;S:[network SSID];H:[hidden?];E:[EAP method];PH2:[Phase 2 method];A:[anonymous identity];I:[username];P:[password];;}</p>
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*
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* <p>"EAP method" can e.g. be "TTLS" or "PWD" or one of the other fields in <a href="https://developer.android.com/reference/android/net/wifi/WifiEnterpriseConfig.Eap.html">WifiEnterpriseConfig.Eap</a> and "Phase 2 method" can e.g. be "MSCHAPV2" or any of the other fields in <a href="https://developer.android.com/reference/android/net/wifi/WifiEnterpriseConfig.Phase2.html">WifiEnterpriseConfig.Phase2</a></p>
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*
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* <p>The fields can appear in any order. Only "S:" is required.</p>
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*
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* @author Vikram Aggarwal
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* @author Sean Owen
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* @author Steffen Kieß
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*/
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public final class WifiResultParser extends ResultParser {
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@Override
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public WifiParsedResult parse(Result result) {
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String rawText = getMassagedText(result);
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if (!rawText.startsWith("WIFI:")) {
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return null;
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}
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rawText = rawText.substring("WIFI:".length());
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String ssid = matchSinglePrefixedField("S:", rawText, ';', false);
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if (ssid == null || ssid.isEmpty()) {
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return null;
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}
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String pass = matchSinglePrefixedField("P:", rawText, ';', false);
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String type = matchSinglePrefixedField("T:", rawText, ';', false);
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if (type == null) {
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type = "nopass";
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}
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// Unfortunately, in the past, H: was not just used for boolean 'hidden', but 'phase 2 method'.
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// To try to retain backwards compatibility, we set one or the other based on whether the string
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// is 'true' or 'false':
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boolean hidden = false;
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String phase2Method = matchSinglePrefixedField("PH2:", rawText, ';', false);
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String hValue = matchSinglePrefixedField("H:", rawText, ';', false);
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if (hValue != null) {
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// If PH2 was specified separately, or if the value is clearly boolean, interpret it as 'hidden'
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if (phase2Method != null || "true".equalsIgnoreCase(hValue) || "false".equalsIgnoreCase(hValue)) {
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hidden = Boolean.parseBoolean(hValue);
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} else {
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phase2Method = hValue;
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}
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}
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String identity = matchSinglePrefixedField("I:", rawText, ';', false);
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String anonymousIdentity = matchSinglePrefixedField("A:", rawText, ';', false);
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String eapMethod = matchSinglePrefixedField("E:", rawText, ';', false);
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return new WifiParsedResult(type, ssid, pass, hidden, identity, anonymousIdentity, eapMethod, phase2Method);
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}
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}
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