1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.tools.bugreport;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.GridBagConstraints;
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7 | import java.awt.GridBagLayout;
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8 | import java.io.IOException;
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9 | import java.io.InputStream;
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10 | import java.net.URL;
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11 | import java.net.URLEncoder;
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12 | import java.nio.charset.StandardCharsets;
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13 | import java.util.Base64;
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14 |
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15 | import javax.swing.JOptionPane;
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16 | import javax.swing.JPanel;
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17 | import javax.swing.SwingUtilities;
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18 | import javax.xml.parsers.ParserConfigurationException;
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19 | import javax.xml.xpath.XPath;
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20 | import javax.xml.xpath.XPathConstants;
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21 | import javax.xml.xpath.XPathExpressionException;
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22 | import javax.xml.xpath.XPathFactory;
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23 |
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24 | import org.openstreetmap.josm.Main;
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25 | import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
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26 | import org.openstreetmap.josm.gui.widgets.UrlLabel;
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27 | import org.openstreetmap.josm.tools.GBC;
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28 | import org.openstreetmap.josm.tools.HttpClient;
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29 | import org.openstreetmap.josm.tools.HttpClient.Response;
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30 | import org.openstreetmap.josm.tools.OpenBrowser;
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31 | import org.openstreetmap.josm.tools.Utils;
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32 | import org.w3c.dom.Document;
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33 | import org.xml.sax.SAXException;
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34 |
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35 | /**
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36 | * This class handles sending the bug report to JOSM website.
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37 | * <p>
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38 | * Currently, we try to open a browser window for the user that displays the bug report.
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39 | *
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40 | * @author Michael Zangl
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41 | * @since 10055
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42 | */
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43 | public class BugReportSender extends Thread {
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44 |
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45 | private final String statusText;
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46 | private String errorMessage;
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47 |
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48 | /**
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49 | * Creates a new sender.
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50 | * @param statusText The status text to send.
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51 | */
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52 | protected BugReportSender(String statusText) {
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53 | super("Bug report sender");
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54 | this.statusText = statusText;
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55 | }
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56 |
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57 | @Override
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58 | public void run() {
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59 | try {
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60 | // first, send the debug text using post.
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61 | String debugTextPasteId = pasteDebugText();
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62 |
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63 | // then open a browser to display the pasted text.
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64 | String openBrowserError = OpenBrowser.displayUrl(getJOSMTicketURL() + "?pdata_stored=" + debugTextPasteId);
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65 | if (openBrowserError != null) {
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66 | Main.warn(openBrowserError);
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67 | failed(openBrowserError);
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68 | }
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69 | } catch (BugReportSenderException e) {
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70 | Main.warn(e);
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71 | failed(e.getMessage());
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72 | }
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73 | }
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74 |
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75 | /**
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76 | * Sends the debug text to the server.
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77 | * @return The token which was returned by the server. We need to pass this on to the ticket system.
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78 | * @throws BugReportSenderException if sending the report failed.
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79 | */
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80 | private String pasteDebugText() throws BugReportSenderException {
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81 | try {
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82 | String text = Utils.strip(statusText);
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83 | String pdata = Base64.getEncoder().encodeToString(text.getBytes(StandardCharsets.UTF_8));
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84 | String postQuery = "pdata=" + URLEncoder.encode(pdata, "UTF-8");
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85 | HttpClient client = HttpClient.create(new URL(getJOSMTicketURL()), "POST")
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86 | .setHeader("Content-Type", "application/x-www-form-urlencoded")
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87 | .setRequestBody(postQuery.getBytes(StandardCharsets.UTF_8));
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88 |
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89 | Response connection = client.connect();
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90 |
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91 | if (connection.getResponseCode() >= 500) {
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92 | throw new BugReportSenderException("Internal server error.");
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93 | }
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94 |
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95 | try (InputStream in = connection.getContent()) {
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96 | return retrieveDebugToken(Utils.parseSafeDOM(in));
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97 | }
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98 | } catch (IOException | SAXException | ParserConfigurationException | XPathExpressionException t) {
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99 | throw new BugReportSenderException(t);
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100 | }
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101 | }
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102 |
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103 | private static String getJOSMTicketURL() {
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104 | return Main.getJOSMWebsite() + "/josmticket";
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105 | }
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106 |
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107 | private static String retrieveDebugToken(Document document) throws XPathExpressionException, BugReportSenderException {
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108 | XPathFactory factory = XPathFactory.newInstance();
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109 | XPath xpath = factory.newXPath();
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110 | String status = (String) xpath.compile("/josmticket/@status").evaluate(document, XPathConstants.STRING);
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111 | if (!"ok".equals(status)) {
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112 | String message = (String) xpath.compile("/josmticket/error/text()").evaluate(document,
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113 | XPathConstants.STRING);
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114 | if (message.isEmpty()) {
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115 | message = "Error in server response but server did not tell us what happened.";
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116 | }
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117 | throw new BugReportSenderException(message);
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118 | }
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119 |
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120 | String token = (String) xpath.compile("/josmticket/preparedid/text()")
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121 | .evaluate(document, XPathConstants.STRING);
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122 | if (token.isEmpty()) {
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123 | throw new BugReportSenderException("Server did not respond with a prepared id.");
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124 | }
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125 | return token;
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126 | }
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127 |
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128 | private void failed(String string) {
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129 | errorMessage = string;
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130 | SwingUtilities.invokeLater(() -> {
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131 | JPanel errorPanel = new JPanel(new GridBagLayout());
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132 | errorPanel.add(new JMultilineLabel(
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133 | tr("Opening the bug report failed. Please report manually using this website:")),
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134 | GBC.eol().fill(GridBagConstraints.HORIZONTAL));
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135 | errorPanel.add(new UrlLabel(Main.getJOSMWebsite() + "/newticket", 2), GBC.eop().insets(8, 0, 0, 0));
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136 | errorPanel.add(new DebugTextDisplay(statusText));
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137 |
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138 | JOptionPane.showMessageDialog(Main.parent, errorPanel, tr("You have encountered a bug in JOSM"),
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139 | JOptionPane.ERROR_MESSAGE);
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140 | });
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141 | }
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142 |
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143 | /**
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144 | * Returns the error message that could have occured during bug sending.
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145 | * @return the error message, or {@code null} if successful
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146 | */
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147 | public final String getErrorMessage() {
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148 | return errorMessage;
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149 | }
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150 |
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151 | private static class BugReportSenderException extends Exception {
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152 | BugReportSenderException(String message) {
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153 | super(message);
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154 | }
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155 |
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156 | BugReportSenderException(Throwable cause) {
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157 | super(cause);
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158 | }
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159 | }
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160 |
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161 | /**
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162 | * Opens the bug report window on the JOSM server.
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163 | * @param statusText The status text to send along to the server.
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164 | * @return bug report sender started thread
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165 | */
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166 | public static BugReportSender reportBug(String statusText) {
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167 | BugReportSender sender = new BugReportSender(statusText);
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168 | sender.start();
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169 | return sender;
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170 | }
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171 | }
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