102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "storage/storage_clear_legacy.h"
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#include <sys/stat.h>
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#include <dirent.h>
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#include <unistd.h>
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namespace Storage {
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namespace details {
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std::vector<QString> CollectFiles(
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const QString &base,
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size_type limit,
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const base::flat_set<QString> &skip) {
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Expects(base.endsWith('/'));
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Expects(limit > 0);
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const auto path = QFile::encodeName(base);
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const auto folder = path.mid(0, path.size() - 1);
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const auto directory = opendir(folder.constData());
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if (!directory) {
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return {};
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}
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const auto guard = gsl::finally([&] { closedir(directory); });
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auto result = std::vector<QString>();
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while (const auto entry = readdir(directory)) {
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const auto local = entry->d_name;
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if (!strcmp(local, ".") || !strcmp(local, "..")) {
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continue;
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}
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const auto full = path + QByteArray(local);
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const auto data = full.constData();
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struct stat statbuf = { 0 };
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if (stat(full.constData(), &statbuf) != 0 || S_ISDIR(statbuf.st_mode)) {
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continue;
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}
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auto name = QFile::decodeName(local);
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if (!skip.contains(name)) {
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result.push_back(std::move(name));
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}
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if (result.size() == limit) {
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break;
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}
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}
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return result;
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// // It looks like POSIX solution works fine on macOS so no need for Cocoa solution.
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//
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// NSString *native = [NSString stringWithUTF8String:utf8.constData()];
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// NSFileManager *manager = [NSFileManager defaultManager];
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// NSArray *properties = [NSArray arrayWithObject:NSURLIsDirectoryKey];
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// NSDirectoryEnumerator *enumerator = [manager
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// enumeratorAtURL:[NSURL fileURLWithPath:native]
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// includingPropertiesForKeys:properties
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// options:0
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// errorHandler:^(NSURL *url, NSError *error) {
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// return NO;
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// }];
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//
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// auto result = std::vector<QString>();
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// for (NSURL *url in enumerator) {
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// NSNumber *isDirectory = nil;
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// NSError *error = nil;
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// if (![url getResourceValue:&isDirectory forKey:NSURLIsDirectoryKey error:&error]) {
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// break;
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// } else if ([isDirectory boolValue]) {
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// continue;
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// }
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// NSString *full = [url path];
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// NSRange r = [full rangeOfString:native];
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// if (r.location != 0) {
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// break;
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// }
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// NSString *file = [full substringFromIndex:r.length + 1];
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// auto name = QString::fromUtf8([file cStringUsingEncoding:NSUTF8StringEncoding]);
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// if (!skip.contains(name)) {
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// result.push_back(std::move(name));
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// }
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// if (result.size() == limit) {
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// break;
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// }
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// }
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// return result;
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}
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bool RemoveLegacyFile(const QString &path) {
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const auto native = QFile::encodeName(path);
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return unlink(native.constData()) == 0;
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}
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} // namespace details
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} // namespace Storage
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