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Make sure the valid key check works with read-only dbs #559

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merged 3 commits into from
Dec 9, 2016
Merged

Make sure the valid key check works with read-only dbs #559

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1ed7070
Make sure the valid key check works with read-only dbs
jberkel Dec 9, 2016
be3dc0b
Update changelog
jberkel Dec 9, 2016
7b724b0
Fix tests
jberkel Dec 9, 2016
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Make sure the valid key check works with read-only dbs
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@jberkel
jberkel committed Dec 9, 2016
commit 1ed7070ade294051a3b11bf40cd345d7920258c8
5 changes: 1 addition & 4 deletions SQLite/Extensions/Cipher.swift
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Expand Up @@ -55,10 +55,7 @@ extension Connection {
// the key provided is incorrect. To test that the database can be successfully opened with the
// provided key, it is necessary to perform some operation on the database (i.e. read from it).
private func cipher_key_check() throws {
try execute(
"CREATE TABLE \"__SQLCipher.swift__\" (\"cipher key check\");\n" +
"DROP TABLE \"__SQLCipher.swift__\";"
)
try scalar("SELECT count(*) FROM sqlite_master;")
}
}
#endif
7 changes: 6 additions & 1 deletion SQLiteTests/CipherTests.swift
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Expand Up @@ -59,11 +59,12 @@ class CipherTests: XCTestCase {

try! connA.key("hello")

let connB = try! Connection(path)
let connB = try! Connection(path, readonly: true)

var rc: Int32?
do {
try connB.key("world")
XCTFail("expected exception")
} catch Result.error(_, let code, _) {
rc = code
} catch {
Expand All @@ -78,6 +79,10 @@ class CipherTests: XCTestCase {
// sqlite> CREATE TABLE foo (bar TEXT);
// sqlite> INSERT INTO foo (bar) VALUES ('world');
let encryptedFile = fixture("encrypted", withExtension: "sqlite")

try! FileManager.default.setAttributes([FileAttributeKey.immutable : 1], ofItemAtPath: encryptedFile)
XCTAssertFalse(FileManager.default.isWritableFile(atPath: encryptedFile))

let conn = try! Connection(encryptedFile)
try! conn.key("sqlcipher-test")
XCTAssertEqual(1, try! conn.scalar("SELECT count(*) FROM foo") as? Int64)
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