Mercurial > trustbridge

annotate ui/certificate.cpp @ 379:2ddc685cba33

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Make the fingerprint uppercase
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 15 Apr 2014 12:39:27 +0200
parents 31079bd54036
children 1220b741cd51
rev   line source
21
dc1e1e9e62ce Add certificate class and use it
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1 #include "certificate.h"
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2 #include <QDebug>
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3 #include <QFile>
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4 #include <QStringList>
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5 #include <QObject>
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6
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7 #include <polarssl/sha1.h>
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8
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9 #include "certhelp.h"
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10 #include "listutil.h"
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11
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12 /* Qt wrapper around certhelp functions. */
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13 QString getX509Value(x509_name *namebuf, unsigned char *oid) {
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14 QString retval;
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15 char * buf = get_oid_valstr(namebuf, oid);
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16 if (buf == NULL) {
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17 return retval;
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18 }
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19 retval = QString::fromUtf8(buf, -1);
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20 free(buf);
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21 return retval;
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22 }
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23
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24 void Certificate::parseDetails(const QByteArray& cert) {
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25 x509_crt chain;
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26
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27 x509_crt_init(&chain);
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28 if (x509_crt_parse_der(&chain, (const unsigned char *)cert.data(),
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29 cert.size()) != 0) {
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30 qDebug() << "Failed to parse cert..";
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31 return;
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32 }
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33
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34 mValidFrom = QDateTime(QDate(chain.valid_from.year,
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35 chain.valid_from.mon,
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36 chain.valid_from.day),
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37 QTime(chain.valid_from.hour,
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38 chain.valid_from.min,
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39 chain.valid_from.sec));
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40
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41 mValidTo = QDateTime(QDate(chain.valid_to.year,
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42 chain.valid_to.mon,
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43 chain.valid_to.day),
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44 QTime(chain.valid_to.hour,
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45 chain.valid_to.min,
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46 chain.valid_to.sec));
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47
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48 mSubjectCN = getX509Value(&(chain.subject), CERT_OID_CN);
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49 mSubjectOU = getX509Value(&(chain.subject), CERT_OID_OU);
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50 mSubjectO = getX509Value(&(chain.subject), CERT_OID_O);
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51 mSubjectSN = getX509Value(&(chain.subject), CERT_OID_SN);
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52
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53 /* Calculate sha1 fingerprint */
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54 unsigned char sha1sum[20];
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55 sha1(chain.raw.p, chain.raw.len, sha1sum);
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56 for (int i=0; i < 20; i++) {
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57 mFingerprint += QString("%1").arg(sha1sum[i], 0, 16);
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58 if (i != 19) {
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59 mFingerprint += ":";
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60 }
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61 mFingerprint = mFingerprint.toUpper();
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62 }
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63
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64 x509_crt_free(&chain);
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65
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66 mDetails = QObject::tr("Certificate:\n"
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67 " <bold>%1</bold>\n"
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68 " %2, %3\n\n"
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69 "Serial number:\n"
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70 "%4\n"
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71 "Valid from: <bold>%5</bold> to <bold>%6</bold>\n\n"
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72 "Issued by: ..")
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73 .arg(mSubjectCN)
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74 .arg(mSubjectO)
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75 .arg(mSubjectOU)
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76 .arg(mSubjectSN)
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77 .arg(QLocale::system().toString(mValidFrom))
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78 .arg(QLocale::system().toString(mValidTo));
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79
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80 }
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81
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82 Certificate::Certificate(const QByteArray& derData) :
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83 mValid(false)
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84 {
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85 if (derData.isEmpty()) {
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86 return;
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87 }
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88
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89 parseDetails(derData);
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90
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91 mValid = !mSubjectCN.isEmpty();
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93 /* Default is installation for new certificates */
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94 mBaseLine = QString::fromLatin1("I:") + derData.toBase64();
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95 }
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96
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97 Certificate::Certificate(const QString& b64Line) :
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98 mValid(false)
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99 {
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100 if (b64Line.isEmpty()) {
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101 return;
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102 }
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103
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104 /* Cut of the first two chars (e.g. I: and decode) */
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105 QByteArray derData = QByteArray::fromBase64(
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106 b64Line.right(b64Line.size() - 2).toLatin1());
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107
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108 parseDetails(derData);
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109
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110 /* If the subject CN is set then at least one x509parse
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111 * in polarssl was successfull. And a root certificate
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112 * always needs to have a subject CN */
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113 mValid = !mSubjectCN.isEmpty();
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114
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115 mBaseLine = b64Line;
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116 }
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117
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118 QString Certificate::shortDescription() const {
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119 if (!isValid()) {
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120 return QObject::tr("Failed to parse certificate");
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121 }
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122
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123 QString ret = mSubjectCN; /* Necessary by definition */
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124 if (!mSubjectO.isEmpty()) {
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125 ret += " - " + mSubjectO;
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126 }
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127 if (!mSubjectOU.isEmpty()) {
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128 ret += ", " + mSubjectOU;
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129 }
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130 return ret;
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131 }
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132
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133 QList<Certificate> Certificate::fromFileName(const QString& file_name) {
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134 /* We read the file using Qt to avoid filename encoding problems
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135 * on Windows */
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136
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137 /* TODO change qDebug errors into messageboxes */
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138 QFile certificateFile(file_name);
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139 QByteArray fileContent;
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140 QList<Certificate> retval;
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141 x509_crt chain;
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142 int ret = 0;
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143 if (!certificateFile.open(QIODevice::ReadOnly)) {
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144 qDebug() << "Failed to read file.";
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145 return retval;
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146 }
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147
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148 if (certificateFile.size() > MAX_LINE_LENGTH * MAX_LINES) {
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149 qDebug() << "File too large";
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150 return retval;
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151 }
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152
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153 fileContent = certificateFile.readAll();
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154
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155 x509_crt_init(&chain);
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156
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157 ret = x509_crt_parse(&chain,
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158 reinterpret_cast<const unsigned char*>(fileContent.constData()),
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159 fileContent.size());
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160
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161 if (ret < 0) {
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162 qDebug() << "Failed to parse certificates.";
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163 return retval;
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164 }
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165
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166 if (ret > 0) {
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167 qDebug() << "Some certificates could not be parsed.";
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168 /* Maybe return here? */
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169 }
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170
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171 x509_crt *iter = &chain;
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172
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173 while (iter) {
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174 QByteArray derData(reinterpret_cast<const char*>(iter->raw.p),
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175 static_cast<int>(iter->raw.len));
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176 retval << Certificate(derData);
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177 iter = iter->next;
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178 }
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179 x509_crt_free(&chain);
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180
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181 return retval;
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182 }
355
5f1494fab517 merged.
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183
352
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184 void Certificate::setInstallCert(bool install)
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185 {
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186 if (install && mBaseLine.startsWith("R:")) {
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187 mBaseLine.replace(0, 1, "I");
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188 }
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189 else if (!install && mBaseLine.startsWith("I:")) {
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190 mBaseLine.replace(0, 1, "R");
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191 }
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192 }
http://wald.intevation.org/projects/trustbridge/