shared: SandboxedProcessor: Perform MIME-type detection

Detect mime types, and for text/*, run the default text processor.

The added benefit is that we can now add plaintext files without extensions,
or many other text files (e. g. source code).
这个提交包含在:
Albert S. 2022-05-30 19:51:13 +02:00
父节点 40207c3399
当前提交 aed0ca31f7
共有 2 个文件被更改,包括 25 次插入5 次删除

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@ -22,7 +22,7 @@ static QMap<QString, Processor *> processors{
{"py", defaultTextProcessor}, {"xml", nothingProcessor}, {"html", tagStripperProcessor},
{"java", defaultTextProcessor}, {"js", defaultTextProcessor}, {"cpp", defaultTextProcessor},
{"c", defaultTextProcessor}, {"sql", defaultTextProcessor}, {"odt", odtProcessor},
{"ods", odsProcessor}};
{"ods", odsProcessor}, {"svg", nothingProcessor}};
void SandboxedProcessor::enableSandbox(QString readablePath)
{
@ -50,7 +50,7 @@ void SandboxedProcessor::enableSandbox(QString readablePath)
int ret = exile_enable_policy(policy);
if(ret != 0)
{
qDebug() << "Failed to establish sandbox: " << ret;
qCritical() << "Failed to establish sandbox: " << ret;
exit(EXIT_FAILURE);
}
exile_free_policy(policy);
@ -74,9 +74,27 @@ void SandboxedProcessor::printResults(const QVector<PageData> &pageData)
int SandboxedProcessor::process()
{
QFileInfo fileInfo(this->filePath);
Processor *processor = processors.value(fileInfo.suffix(), nothingProcessor);
if(processor == nothingProcessor)
Processor *processor = processors.value(fileInfo.suffix(), nullptr);
if(processor == nullptr)
{
/* TODO: This is not sandboxed yet ... */
QMimeType mimeType = mimeDatabase.mimeTypeForFile(fileInfo);
if(mimeType.name().startsWith("text/"))
{
processor = defaultTextProcessor;
}
else
{
for(QString &str : mimeType.allAncestors())
{
if(str.startsWith("text/"))
{
processor = defaultTextProcessor;
}
}
}
}
if(processor == nullptr || processor == nothingProcessor)
{
/* Nothing to do */
return NOTHING_PROCESSED;

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@ -1,12 +1,14 @@
#ifndef SANDBOXEDPROCESSOR_H
#define SANDBOXEDPROCESSOR_H
#include <QString>
#include <QMimeDatabase>
#include "pagedata.h"
class SandboxedProcessor
{
private:
QString filePath;
QMimeDatabase mimeDatabase;
void enableSandbox(QString readablePath = "");
void printResults(const QVector<PageData> &pageData);