Fix #69279: Compressed ZIP Phar extractTo() creates garbage files

ext/phar/phar_object.c

@@ -4275,7 +4275,7 @@ static int phar_extract_file(zend_bool overwrite, phar_entry_info *entry, char *
 		return FAILURE;
 	}
 
-	if (!phar_get_efp(entry, 0)) {
+	if ((phar_get_fp_type(entry) == PHAR_FP && (entry->flags & PHAR_ENT_COMPRESSION_MASK)) || !phar_get_efp(entry, 0)) {
 		if (FAILURE == phar_open_entry_fp(entry, error, 1)) {
 			if (error) {
 				spprintf(error, 4096, "Cannot extract \"%s\" to \"%s\", unable to open internal file pointer: %s", entry->filename, fullpath, *error);

ext/phar/tests/bug69279.phpt

@@ -0,0 +1,29 @@
+--TEST--
+Bug #69279 (Compressed ZIP Phar extractTo() creates garbage files)
+--SKIPIF--
+<?php
+if (!extension_loaded('phar')) die('skip phar extension not available');
+?>
+--INI--
+phar.readonly=0
+--FILE--
+<?php
+$w = new Phar(__DIR__ . "/bug69279.phar.zip");
+$w["bug69279.txt"] = "Sample content.";
+$w->compressFiles(Phar::GZ);
+unset($w);
+
+$r = new Phar(__DIR__ . "/bug69279.phar.zip");
+var_dump($r["bug69279.txt"]->isCompressed());
+
+$r->extractTo(__DIR__, NULL, TRUE);
+var_dump(file_get_contents(__DIR__ . "/bug69279.txt"));
+?>
+--EXPECT--
+bool(true)
+string(15) "Sample content."
+--CLEAN--
+<?php
+@unlink(__DIR__ . "/bug69279.txt");
+@unlink(__DIR__ . "/bug69279.phar.zip");
+?>

ext/phar/tests/bug79912.phpt

@@ -0,0 +1,35 @@
+--TEST--
+Bug #79912 (Phar::decompressFiles not working)
+--SKIPIF--
+<?php
+if (!extension_loaded('phar')) die('skip phar extension is not available');
+?>
+--INI--
+phar.readonly=0
+--FILE--
+<?php
+$phar = new Phar(__DIR__ . "/bug79912.phar");
+$phar->addFromString("test.txt", "This is a test file.This is a test file.This is a test file.");
+$file = $phar["test.txt"];
+var_dump($file->compress(Phar::GZ)); //true (success)
+var_dump($file->getContent());
+var_dump($file->isCompressed()); //true (the file is compressed)
+var_dump($phar->decompressFiles()); //true (success)
+var_dump($file->isCompressed()); //false (the file should not be compressed anymore)
+var_dump($phar->extractTo(__DIR__ . "/bug79912")); //true (success but the extracted file in the folder is compressed)
+var_dump(file_get_contents(__DIR__ . "/bug79912/test.txt"));
+?>
+--EXPECT--
+bool(true)
+string(60) "This is a test file.This is a test file.This is a test file."
+bool(true)
+bool(true)
+bool(false)
+bool(true)
+string(60) "This is a test file.This is a test file.This is a test file."
+--CLEAN--
+<?php
+@unlink(__DIR__ . "/bug79912/test.txt");
+@rmdir(__DIR__ . "/bug79912");
+@unlink(__DIR__ . "/bug79912.phar");
+?>