Remove support for deprecated sqlite3 userauth extension

This commit removes support for the deprecated sqlite3 userauth extension.
This change is roughly equivalent to: mattn#1344.

Author: charlievieth

.github/workflows/go.yaml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        go: ['1.22', '1.23']
+        go: ['1.23', '1.24']
       fail-fast: false
     env:
       OS: ${{ matrix.os }}
@@ -46,8 +46,11 @@ jobs:
       - name: 'Tags: libsqlite3'
         run: go test -race -v -tags "libsqlite3"
 
+      - name: 'Tags: userauth deprecated'
+        run: make test_userauth_fails test_userauth_fails_libsqlite3
+
       - name: 'Tags: full'
-        run: go test -race -v -tags "sqlite_allow_uri_authority sqlite_app_armor sqlite_column_metadata sqlite_foreign_keys sqlite_fts5 sqlite_icu sqlite_introspect sqlite_json sqlite_math_functions sqlite_os_trace sqlite_preupdate_hook sqlite_secure_delete sqlite_see sqlite_stat4 sqlite_trace sqlite_unlock_notify sqlite_userauth sqlite_vacuum_incr sqlite_vtable"
+        run: go test -race -v -tags "sqlite_allow_uri_authority sqlite_app_armor sqlite_column_metadata sqlite_foreign_keys sqlite_fts5 sqlite_icu sqlite_introspect sqlite_json sqlite_math_functions sqlite_os_trace sqlite_preupdate_hook sqlite_secure_delete sqlite_see sqlite_stat4 sqlite_trace sqlite_unlock_notify sqlite_vacuum_incr sqlite_vtable"
 
       - name: 'Tags: vacuum'
         run: go test -v -tags "sqlite_vacuum_full"

Makefile

@@ -0,0 +1,111 @@
+# Benchmark options
+NO_TESTS = ^$
+# BENCHMARKS = ^BenchmarkIndex('\$'|Hard|Torture|Periodic(Unicode)?)
+BENCH_SUITE = BenchmarkSuite
+BENCH_QUERY = BenchmarkSuite/.*BenchmarkQuery$
+BENCH_EXEC_STEP = BenchmarkSuite/.*BenchmarkExecStep$
+
+# TODO: join these into a single list
+ALL_TEST_TAGS := sqlite_allow_uri_authority
+ALL_TEST_TAGS += sqlite_app_armor
+ALL_TEST_TAGS += sqlite_column_metadata
+ALL_TEST_TAGS += sqlite_foreign_keys
+ALL_TEST_TAGS += sqlite_fts5
+ALL_TEST_TAGS += sqlite_icu
+ALL_TEST_TAGS += sqlite_introspect
+ALL_TEST_TAGS += sqlite_json
+ALL_TEST_TAGS += sqlite_math_functions
+ALL_TEST_TAGS += sqlite_preupdate_hook
+ALL_TEST_TAGS += sqlite_secure_delete
+ALL_TEST_TAGS += sqlite_see
+ALL_TEST_TAGS += sqlite_stat4
+ALL_TEST_TAGS += sqlite_trace
+ALL_TEST_TAGS += sqlite_unlock_notify
+ALL_TEST_TAGS += sqlite_vacuum_incr
+ALL_TEST_TAGS += sqlite_vtable
+
+space := $(subst ,, )
+comma := ,
+
+ALL_TEST_TAGS_JOINED = $(subst $(space),$(comma),$(ALL_TEST_TAGS))
+
+# GO_VERSION = $(shell go version | grep -oE 'go[1-9]\.[0-9]+(\.[0-9]+)?')
+# ifeq (,$(shell echo $(GO_VERSION_NUMBER) | grep -E 'go1\.2[2-9]'))
+# 	export GOEXPERIMENT=cgocheck2
+# endif
+
+.PHONY: all
+all: build
+
+.PHONY: build
+build:
+	@go build -tags "libsqlite3"
+
+.PHONY: test
+test:
+	@GOEXPERIMENT=cgocheck2 go test -tags "libsqlite3" -v
+
+.PHONY: test_all
+test_all:
+	@GOEXPERIMENT=cgocheck2 go test -tags "$(ALL_TEST_TAGS_JOINED)" -v
+
+# TODO: merge with the above target
+.PHONY: test_all_libsqlite3
+test_all_libsqlite3:
+	GOEXPERIMENT=cgocheck2 go test -tags "$(ALL_TEST_TAGS_JOINED),libsqlite3" -v
+
+.PHONY: qtest
+qtest:
+	@GOEXPERIMENT=cgocheck2 go test -tags "libsqlite3"
+
+.PHONY: short
+short:
+	@go test -tags "libsqlite3" -short
+
+.PHONY: testrace
+testrace:
+	@GOEXPERIMENT=cgocheck2 go test -tags "libsqlite3" -race
+
+.PHONY: test_userauth_fails
+test_userauth_fails:
+	@./scripts/test-userauth-fails.bash
+
+.PHONY: test_userauth_fails_libsqlite3
+test_userauth_fails_libsqlite3:
+	@./scripts/test-userauth-fails.bash -libsqlite3
+
+.PHONY: testfull
+testfull:
+	@./scripts/test-full.bash -v
+
+.PHONY: testfull_race
+testfull_race:
+	@./scripts/test-full.bash -v -race
+
+.PHONY: bench
+bench:
+	@go test -tags "libsqlite3 darwin" -run $(NO_TESTS) -bench $(BENCH_SUITE) -benchmem
+
+.PHONY: bench_stmt_rows
+bench_stmt_rows:
+	@go test -tags "libsqlite3 darwin" -run $(NO_TESTS) -bench $(BENCH_QUERY) -benchmem
+
+.PHONY: bench_exec_step
+bench_exec_step:
+	@go test -tags "libsqlite3 darwin" -run $(NO_TESTS) -bench $(BENCH_EXEC_STEP) -benchmem
+
+.PHONY: bench_mem
+bench_mem:
+	@go test -tags "libsqlite3 darwin" -run $(NO_TESTS) \
+		-bench $(BENCH_SUITE) \
+		-benchmem -memprofilerate 1 -memprofile mem.out -benchtime 5s
+
+.PHONY: bench_cpu
+bench_cpu:
+	@go test -tags "libsqlite3 darwin" -run $(NO_TESTS) \
+		-bench $(BENCH_SUITE) \
+		-cpuprofile cpu.out -benchtime 5s
+
+.PHONY: tags
+tags:
+	@\grep -ohP '(?<=//go:build )\w+(\s+\w+)?' *.go | sort -u

README.md

@@ -468,10 +468,21 @@ For example the TDM-GCC Toolchain can be found [here](https://jmeubank.github.io
 
 # User Authentication
 
-This package supports the SQLite User Authentication module.
+### ***This is deprecated***
+
+~~This package supports the SQLite User Authentication module.~~
+
+User authentication deprecated as of [#28](https://github.com/charlievieth/go-sqlite3/pull/28)
+and building with the `sqlite_userauth` tag will cause [`Open()`](https://pkg.go.dev/github.com/charlievieth/go-sqlite3#SQLiteDriver.Open)
+to fail.
+
+<details>
+<summary>Deprecated User Authentication</summary>
 
 ## Compile
 
+### WARN: THIS IS DEPRECATED
+
 To use the User authentication module, the package has to be compiled with the tag `sqlite_userauth`. See [Features](#features).
 
 ## Usage
@@ -577,6 +588,8 @@ The following functions are available for User authentication from the `*SQLiteC
 
 When using attached databases, SQLite will use the authentication from the `main` database for the attached database(s).
 
+</details>
+
 # Extensions
 
 If you want your own extension to be listed here, or you want to add a reference to an extension; please submit an Issue for this.

error_test.go

@@ -43,7 +43,10 @@ func TestCorruptDbErrors(t *testing.T) {
 		_, err = db.Exec("drop table foo")
 	}
 
-	sqliteErr := err.(Error)
+	sqliteErr, ok := err.(Error)
+	if !ok {
+		t.Fatalf("Not a sqlite3.Error: %#v", err)
+	}
 	if sqliteErr.Code != ErrNotADB {
 		t.Error("wrong error code for corrupted DB")
 	}
@@ -113,7 +116,10 @@ func TestExtendedErrorCodes_ForeignKey(t *testing.T) {
 	if err == nil {
 		t.Error("No error!")
 	} else {
-		sqliteErr := err.(Error)
+		sqliteErr, ok := err.(Error)
+		if !ok {
+			t.Fatalf("Not a sqlite3.Error: %#v", err)
+		}
 		if sqliteErr.Code != ErrConstraint {
 			t.Errorf("Wrong basic error code: %d != %d",
 				sqliteErr.Code, ErrConstraint)

scripts/test-userauth-fails.bash

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+# Test that the userauth tests fail, but don't panic.
+# Pass "-libsqlite3" as an argument to the script to
+# run the tests with the "libsqlite3" build tag.
+
+set -euo pipefail
+
+OUT="$(mktemp -t 'go-sqlite3.XXXXXX')"
+trap 'rm "${OUT}"' EXIT
+
+function test_sqlite_userauth() {
+    local tags='sqlite_userauth'
+    while (( $# > 0 )); do
+        if [[ -n $1 ]]; then
+            tags+=",$1"
+        fi
+        shift
+    done
+
+    echo "Running: \`go test -tags=${tags}\`"
+    if go test -tags="${tags}" &> "${OUT}"; then
+        cat "${OUT}"
+        echo >&2 ''
+        echo >&2 'FAIL: tests passed: expected them to fail'
+        return 2
+    fi
+
+    if \grep -qF 'panic:' "${OUT}"; then
+        cat "${OUT}"
+        echo >&2 ''
+        echo >&2 'FAIL: test panicked'
+        return 2
+    fi
+
+    echo "PASS"
+}
+
+function main() {
+    local tags=''
+    if [[ ${1:-} == '-libsqlite3' ]]; then
+        tags='libsqlite3'
+    fi
+    test_sqlite_userauth "${tags}"
+}
+
+main "$@"

sqlite3.go

@@ -1906,64 +1906,10 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
 		}
 
 		// Preform Authentication
-		if err := conn.Authenticate(authUser, authPass); err != nil {
-			return err
-		}
-
-		// Register: authenticate
-		// Authenticate will perform an authentication of the provided username
-		// and password against the database.
-		//
-		// If a database contains the SQLITE_USER table, then the
-		// call to Authenticate must be invoked with an
-		// appropriate username and password prior to enable read and write
-		//access to the database.
-		//
-		// Return SQLITE_OK on success or SQLITE_ERROR if the username/password
-		// combination is incorrect or unknown.
-		//
-		// If the SQLITE_USER table is not present in the database file, then
-		// this interface is a harmless no-op returnning SQLITE_OK.
-		if err := conn.registerAuthFunc("authenticate", conn.authenticate, true); err != nil {
-			return err
-		}
-		//
-		// Register: auth_user_add
-		// auth_user_add can be used (by an admin user only)
-		// to create a new user. When called on a no-authentication-required
-		// database, this routine converts the database into an authentication-
-		// required database, automatically makes the added user an
-		// administrator, and logs in the current connection as that user.
-		// The AuthUserAdd only works for the "main" database, not
-		// for any ATTACH-ed databases. Any call to AuthUserAdd by a
-		// non-admin user results in an error.
-		if err := conn.registerAuthFunc("auth_user_add", conn.authUserAdd, true); err != nil {
-			return err
-		}
-		//
-		// Register: auth_user_change
-		// auth_user_change can be used to change a users
-		// login credentials or admin privilege.  Any user can change their own
-		// login credentials. Only an admin user can change another users login
-		// credentials or admin privilege setting. No user may change their own
-		// admin privilege setting.
-		if err := conn.registerAuthFunc("auth_user_change", conn.authUserChange, true); err != nil {
-			return err
-		}
 		//
-		// Register: auth_user_delete
-		// auth_user_delete can be used (by an admin user only)
-		// to delete a user. The currently logged-in user cannot be deleted,
-		// which guarantees that there is always an admin user and hence that
-		// the database cannot be converted into a no-authentication-required
-		// database.
-		if err := conn.registerAuthFunc("auth_user_delete", conn.authUserDelete, true); err != nil {
-			return err
-		}
-
-		// Register: auth_enabled
-		// auth_enabled can be used to check if user authentication is enabled
-		if err := conn.registerAuthFunc("auth_enabled", conn.authEnabled, true); err != nil {
+		// NB: This will always fail if built with the "sqlite_userauth"
+		// build tag since user authentication is now deprecated.
+		if err := conn.Authenticate(authUser, authPass); err != nil {
 			return err
 		}
 
@@ -1980,6 +1926,9 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
 		}
 
 		// Check if user wants to activate User Authentication
+		//
+		// NB: This will always fail if built with the "sqlite_userauth"
+		// build tag since user authentication is now deprecated.
 		if authCreate {
 			// Before going any further, we need to check that the user
 			// has provided an username and password within the DSN.
@@ -1992,8 +1941,7 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
 			}
 
 			// Check if User Authentication is Enabled
-			authExists := conn.AuthEnabled()
-			if !authExists {
+			if !conn.AuthEnabled() {
 				if err := conn.AuthUserAdd(authUser, authPass, true); err != nil {
 					return err
 				}