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Diffstat (limited to 'src/QXmppUtils.cpp')
| -rw-r--r-- | src/QXmppUtils.cpp | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/src/QXmppUtils.cpp b/src/QXmppUtils.cpp deleted file mode 100644 index 1698582f..00000000 --- a/src/QXmppUtils.cpp +++ /dev/null @@ -1,339 +0,0 @@ -/* - * Copyright (C) 2008-2011 The QXmpp developers - * - * Authors: - * Manjeet Dahiya - * Jeremy Lainé - * - * Source: - * http://code.google.com/p/qxmpp - * - * This file is a part of QXmpp library. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - */ - - -#include <QBuffer> -#include <QByteArray> -#include <QCryptographicHash> -#include <QDateTime> -#include <QDebug> -#include <QDomElement> -#include <QRegExp> -#include <QString> -#include <QStringList> -#include <QXmlStreamWriter> - -#include "QXmppUtils.h" -#include "QXmppLogger.h" - -// adapted from public domain source by Ross Williams and Eric Durbin -// FIXME : is this valid for big-endian machines? -static quint32 crctable[256] = -{ - 0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL, - 0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L, - 0x0EDB8832L, 0x79DCB8A4L, 0xE0D5E91EL, 0x97D2D988L, - 0x09B64C2BL, 0x7EB17CBDL, 0xE7B82D07L, 0x90BF1D91L, - 0x1DB71064L, 0x6AB020F2L, 0xF3B97148L, 0x84BE41DEL, - 0x1ADAD47DL, 0x6DDDE4EBL, 0xF4D4B551L, 0x83D385C7L, - 0x136C9856L, 0x646BA8C0L, 0xFD62F97AL, 0x8A65C9ECL, - 0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L, - 0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L, - 0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL, - 0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L, - 0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L, - 0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L, - 0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL, - 0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L, - 0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL, - 0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL, - 0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L, - 0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L, - 0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L, - 0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL, - 0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L, - 0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL, - 0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L, - 0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L, - 0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL, - 0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L, - 0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L, - 0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L, - 0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL, - 0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L, - 0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL, - 0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL, - 0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L, - 0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L, - 0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L, - 0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL, - 0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L, - 0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL, - 0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L, - 0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L, - 0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL, - 0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L, - 0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L, - 0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L, - 0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL, - 0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L, - 0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL, - 0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL, - 0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L, - 0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L, - 0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L, - 0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL, - 0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L, - 0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL, - 0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L, - 0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L, - 0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL, - 0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L, - 0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L, - 0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L, - 0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL, - 0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L, - 0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL -}; - -QDateTime datetimeFromString(const QString &str) -{ - QRegExp tzRe("(Z|([+-])([0-9]{2}):([0-9]{2}))"); - int tzPos = tzRe.indexIn(str, 19); - if (str.size() < 20 || tzPos < 0) - return QDateTime(); - - // process date and time - QDateTime dt = QDateTime::fromString(str.left(19), "yyyy-MM-ddThh:mm:ss"); - dt.setTimeSpec(Qt::UTC); - - // process milliseconds - if (tzPos > 20 && str.at(19) == '.') - { - QString millis = (str.mid(20, tzPos - 20) + "000").left(3); - dt = dt.addMSecs(millis.toInt()); - } - - // process time zone - if (tzRe.cap(1) != "Z") - { - int offset = tzRe.cap(3).toInt() * 3600 + tzRe.cap(4).toInt() * 60; - if (tzRe.cap(2) == "+") - dt = dt.addSecs(-offset); - else - dt = dt.addSecs(offset); - } - return dt; -} - -QString datetimeToString(const QDateTime &dt) -{ - QDateTime utc = dt.toUTC(); - if (utc.time().msec()) - return utc.toString("yyyy-MM-ddThh:mm:ss.zzzZ"); - else - return utc.toString("yyyy-MM-ddThh:mm:ssZ"); -} - -/// Parses a timezone offset (in seconds) from a string. -/// -/// \param str -/// - -int timezoneOffsetFromString(const QString &str) -{ - QRegExp tzRe("(Z|([+-])([0-9]{2}):([0-9]{2}))"); - if (!tzRe.exactMatch(str)) - return 0; - - // No offset from UTC - if (tzRe.cap(1) == "Z") - return 0; - - // Calculate offset - const int offset = tzRe.cap(3).toInt() * 3600 + - tzRe.cap(4).toInt() * 60; - if (tzRe.cap(2) == "-") - return -offset; - else - return offset; -} - -/// Serializes a timezone offset (in seconds) to a string. -/// -/// \param secs - -QString timezoneOffsetToString(int secs) -{ - if (!secs) - return QString::fromLatin1("Z"); - - const QTime tzoTime = QTime(0, 0, 0).addSecs(qAbs(secs)); - return (secs < 0 ? "-" : "+") + tzoTime.toString("hh:mm"); -} - -QString jidToDomain(const QString &jid) -{ - return jidToBareJid(jid).split("@").last(); -} - -QString jidToResource(const QString& jid) -{ - const int pos = jid.indexOf(QChar('/')); - if (pos < 0) - return QString(); - return jid.mid(pos+1); -} - -QString jidToUser(const QString &jid) -{ - const int pos = jid.indexOf(QChar('@')); - if (pos < 0) - return QString(); - return jid.left(pos); -} - -QString jidToBareJid(const QString& jid) -{ - const int pos = jid.indexOf(QChar('/')); - if (pos < 0) - return jid; - return jid.left(pos); -} - -quint32 generateCrc32(const QByteArray &in) -{ - quint32 result = 0xffffffff; - for(int n = 0; n < in.size(); ++n) - result = (result >> 8) ^ (crctable[(result & 0xff) ^ (quint8)in[n]]); - return result ^= 0xffffffff; -} - -static QByteArray generateHmac(QCryptographicHash::Algorithm algorithm, const QByteArray &key, const QByteArray &text) -{ - QCryptographicHash hasher(algorithm); - - const int B = 64; - QByteArray kpad = key + QByteArray(B - key.size(), 0); - - QByteArray ba; - for (int i = 0; i < B; ++i) - ba += kpad[i] ^ 0x5c; - - QByteArray tmp; - for (int i = 0; i < B; ++i) - tmp += kpad[i] ^ 0x36; - hasher.addData(tmp); - hasher.addData(text); - ba += hasher.result(); - - hasher.reset(); - hasher.addData(ba); - return hasher.result(); -} - -QByteArray generateHmacMd5(const QByteArray &key, const QByteArray &text) -{ - return generateHmac(QCryptographicHash::Md5, key, text); -} - -QByteArray generateHmacSha1(const QByteArray &key, const QByteArray &text) -{ - return generateHmac(QCryptographicHash::Sha1, key, text); -} - -/// Generates a random integer x between 0 and N-1. -/// -/// \param N - -int generateRandomInteger(int N) -{ - Q_ASSERT(N > 0 && N <= RAND_MAX); - int val; - while (N <= (val = qrand() / (RAND_MAX/N))) {}; - return val; -} - -/// Returns a random byte array of the specified size. -/// -/// \param length - -QByteArray generateRandomBytes(int length) -{ - QByteArray bytes(length, 'm'); - for (int i = 0; i < length; ++i) - bytes[i] = (char)generateRandomInteger(256); - return bytes; -} - -/// Returns a random alphanumerical string of the specified size. -/// -/// \param length - -QString generateStanzaHash(int length) -{ - const QString somechars = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; - const int N = somechars.size(); - QString hashResult; - for ( int idx = 0; idx < length; ++idx ) - hashResult += somechars[generateRandomInteger(N)]; - return hashResult; -} - -void helperToXmlAddAttribute(QXmlStreamWriter* stream, const QString& name, - const QString& value) -{ - if(!value.isEmpty()) - stream->writeAttribute(name,value); -} - -void helperToXmlAddDomElement(QXmlStreamWriter* stream, const QDomElement& element, const QStringList &omitNamespaces) -{ - stream->writeStartElement(element.tagName()); - - /* attributes */ - QString xmlns = element.namespaceURI(); - if (!xmlns.isEmpty() && !omitNamespaces.contains(xmlns)) - stream->writeAttribute("xmlns", xmlns); - QDomNamedNodeMap attrs = element.attributes(); - for (int i = 0; i < attrs.size(); i++) - { - QDomAttr attr = attrs.item(i).toAttr(); - stream->writeAttribute(attr.name(), attr.value()); - } - - /* children */ - QDomNode childNode = element.firstChild(); - while (!childNode.isNull()) - { - if (childNode.isElement()) - { - helperToXmlAddDomElement(stream, childNode.toElement(), QStringList() << xmlns); - } else if (childNode.isText()) { - stream->writeCharacters(childNode.toText().data()); - } - childNode = childNode.nextSibling(); - } - stream->writeEndElement(); -} - -void helperToXmlAddTextElement(QXmlStreamWriter* stream, const QString& name, - const QString& value) -{ - if(!value.isEmpty()) - stream->writeTextElement( name, value); - else - stream->writeEmptyElement(name); -} - |