104 строки
2.7 KiB
C++
104 строки
2.7 KiB
C++
#include <QFile>
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#include <QFileInfo>
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#include <QDataStream>
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#include "sandboxedprocessor.h"
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#include "pdfprocessor.h"
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#include "defaulttextprocessor.h"
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#include "tagstripperprocessor.h"
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#include "nothingprocessor.h"
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#include "odtprocessor.h"
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#include "odsprocessor.h"
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#include "../submodules/exile.h/exile.h"
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#include "logger.h"
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static DefaultTextProcessor *defaultTextProcessor = new DefaultTextProcessor();
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static TagStripperProcessor *tagStripperProcessor = new TagStripperProcessor();
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static NothingProcessor *nothingProcessor = new NothingProcessor();
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static OdtProcessor *odtProcessor = new OdtProcessor();
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static OdsProcessor *odsProcessor = new OdsProcessor();
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static QMap<QString, Processor *> processors{
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{"pdf", new PdfProcessor()}, {"txt", defaultTextProcessor}, {"md", defaultTextProcessor},
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{"py", defaultTextProcessor}, {"xml", nothingProcessor}, {"html", tagStripperProcessor},
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{"java", defaultTextProcessor}, {"js", defaultTextProcessor}, {"cpp", defaultTextProcessor},
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{"c", defaultTextProcessor}, {"sql", defaultTextProcessor}, {"odt", odtProcessor},
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{"ods", odsProcessor}};
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void SandboxedProcessor::enableSandbox(QString readablePath)
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{
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struct exile_policy *policy = exile_init_policy();
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policy->namespace_options = EXILE_UNSHARE_NETWORK | EXILE_UNSHARE_USER;
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if(!readablePath.isEmpty())
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{
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std::string readablePathLocation = readablePath.toStdString();
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exile_append_path_policy(policy, EXILE_FS_ALLOW_ALL_READ, readablePathLocation.c_str());
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}
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else
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{
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policy->no_fs = 1;
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}
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int ret = exile_enable_policy(policy);
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if(ret != 0)
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{
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qDebug() << "Failed to establish sandbox: " << ret;
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exit(EXIT_FAILURE);
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}
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exile_free_policy(policy);
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}
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void SandboxedProcessor::printResults(const QVector<PageData> &pageData)
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{
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QFile fsstdout;
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fsstdout.open(stdout, QIODevice::WriteOnly);
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QDataStream stream(&fsstdout);
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for(const PageData &data : pageData)
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{
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stream << data;
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// fsstdout.flush();
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}
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fsstdout.close();
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}
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int SandboxedProcessor::process()
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{
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QFileInfo fileInfo(this->filePath);
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Processor *processor = processors.value(fileInfo.suffix(), nothingProcessor);
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if(processor == nothingProcessor)
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{
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/* Nothing to do */
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return NOTHING_PROCESSED;
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}
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QVector<PageData> pageData;
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QString absPath = fileInfo.absoluteFilePath();
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try
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{
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if(processor->PREFERED_DATA_SOURCE == FILEPATH)
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{
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/* Read access to FS needed... doh..*/
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enableSandbox(absPath);
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pageData = processor->process(absPath);
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}
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else
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{
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QByteArray data = Utils::readFile(absPath);
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enableSandbox();
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pageData = processor->process(data);
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}
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}
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catch(LooqsGeneralException &e)
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{
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Logger::error() << "Error while processing" << absPath << ":" << e.message << Qt::endl;
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return 3 /* PROCESSFAIL */;
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}
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printResults(pageData);
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return 0;
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}
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