diff options
Diffstat (limited to 'crates/shirabe-php-rpc/src/lib.rs')
| -rw-r--r-- | crates/shirabe-php-rpc/src/lib.rs | 522 |
1 files changed, 392 insertions, 130 deletions
diff --git a/crates/shirabe-php-rpc/src/lib.rs b/crates/shirabe-php-rpc/src/lib.rs index 69790695..e2f5fd1e 100644 --- a/crates/shirabe-php-rpc/src/lib.rs +++ b/crates/shirabe-php-rpc/src/lib.rs @@ -30,49 +30,11 @@ pub fn get_php_binary() -> String { } } -/// PHP `defined($name)`. -pub fn has_constant(name: &str) -> bool { - match call("defined", name) { - PhpMixed::Bool(b) => b, - other => panic!("PHP RPC: `defined` did not return a bool: {other:?}"), - } -} - /// PHP `constant($name)`. -pub fn get_constant(name: &str) -> PhpMixed { +fn get_constant(name: &str) -> PhpMixed { call("constant", name) } -/// PHP `class_exists($name)`, with autoloading, as the runtime sees it. -pub fn class_exists(name: &str) -> bool { - match call("class_exists", name) { - PhpMixed::Bool(exists) => exists, - other => panic!("PHP RPC: `class_exists` returned an unexpected value: {other:?}"), - } -} - -/// PHP `inet_pton($address)`. -pub fn inet_pton(address: &str) -> PhpMixed { - call("inet_pton", address) -} - -/// PHP `curl_version()['version']`. -pub fn curl_version() -> Option<String> { - match call("curl_version", "") { - PhpMixed::String(s) => Some(s), - PhpMixed::Null => None, - other => panic!("PHP RPC: `curl_version` returned an unexpected value: {other:?}"), - } -} - -/// PHP `(new \ReflectionExtension($name))->info()` output. -pub fn get_extension_info(name: &str) -> String { - match call("extension_info", name) { - PhpMixed::String(s) => s, - other => panic!("PHP RPC: `extension_info` did not return a string: {other:?}"), - } -} - /// `curl_version()`, together with the `CURL_*` constants the `diagnose` command consults. Every /// `Option` field is `None` when the corresponding array key or constant is absent. #[derive(Debug)] @@ -89,7 +51,7 @@ pub struct Curl { } /// Everything the `diagnose` command needs to know about the PHP runtime, fetched in a single -/// round trip because the command would otherwise probe the same runtime dozens of times. +/// round trip because the command would otherwise query the same runtime dozens of times. #[derive(Debug)] pub struct Diagnostics { pub php_version: String, @@ -118,28 +80,28 @@ pub struct Diagnostics { } impl Diagnostics { - /// PHP `extension_loaded($name)`. Only the extensions the worker probes can be asked about; + /// PHP `extension_loaded($name)`. Only the extensions the worker reports can be asked about; /// any other name is a bug in the caller, not a missing extension. pub fn extension_loaded(&self, name: &str) -> bool { *self.extensions.get(name).unwrap_or_else(|| { - panic!("PHP RPC: extension `{name}` is not probed by the diagnose payload") + panic!("PHP RPC: extension `{name}` is not reported by the diagnose payload") }) } - /// PHP `function_exists($name)`. See [`Diagnostics::extension_loaded`] for the fixed probe set. + /// PHP `function_exists($name)`. See [`Diagnostics::extension_loaded`] for the fixed set of names. pub fn function_exists(&self, name: &str) -> bool { *self.functions.get(name).unwrap_or_else(|| { - panic!("PHP RPC: function `{name}` is not probed by the diagnose payload") + panic!("PHP RPC: function `{name}` is not reported by the diagnose payload") }) } /// PHP `ini_get($option)`, with PHP's `false` (no such setting) mapped to `None`. See - /// [`Diagnostics::extension_loaded`] for the fixed probe set. + /// [`Diagnostics::extension_loaded`] for the fixed set of names. pub fn ini_get(&self, option: &str) -> Option<&str> { self.ini_settings .get(option) .unwrap_or_else(|| { - panic!("PHP RPC: ini setting `{option}` is not probed by the diagnose payload") + panic!("PHP RPC: ini setting `{option}` is not reported by the diagnose payload") }) .as_deref() } @@ -155,123 +117,416 @@ pub fn get_diagnostics() -> &'static Diagnostics { let payload = payload .as_array() .unwrap_or_else(|| panic!("PHP RPC: `diagnose` did not return an array: {payload:?}")); + let payload = &Payload { + what: "diagnose", + map: payload, + }; Diagnostics { - php_version: string_field(payload, "php_version"), - php_version_id: int_field(payload, "php_version_id"), - php_binary: nullable_string_field(payload, "php_binary"), - openssl_version_text: nullable_string_field(payload, "openssl_version_text"), - openssl_version_number: int_field(payload, "openssl_version_number"), - has_hhvm_version: bool_field(payload, "has_hhvm_version"), - has_php_windows_version_build: bool_field(payload, "has_php_windows_version_build"), - xdebug_active: bool_field(payload, "xdebug_active"), - ioncube_loader_iversion: int_field(payload, "ioncube_loader_iversion"), - ioncube_loader_version: string_field(payload, "ioncube_loader_version"), - phpinfo_general: string_field(payload, "phpinfo_general"), + php_version: payload.string("php_version"), + php_version_id: payload.int("php_version_id"), + php_binary: payload.nullable_string("php_binary"), + openssl_version_text: payload.nullable_string("openssl_version_text"), + openssl_version_number: payload.int("openssl_version_number"), + has_hhvm_version: payload.bool("has_hhvm_version"), + has_php_windows_version_build: payload.bool("has_php_windows_version_build"), + xdebug_active: payload.bool("xdebug_active"), + ioncube_loader_iversion: payload.int("ioncube_loader_iversion"), + ioncube_loader_version: payload.string("ioncube_loader_version"), + phpinfo_general: payload.string("phpinfo_general"), curl: curl_field(payload, "curl"), - extensions: map_field(payload, "extensions") + extensions: payload.bool_map("extensions"), + functions: payload.bool_map("functions"), + ini_settings: payload + .entries("ini") + .map(|(name, value)| (name.clone(), as_nullable_string(value, "ini", name))) + .collect(), + } + }) +} + +/// The constants the `platform` payload carries, in the worker's order. +const PLATFORM_CONSTANTS: &[&str] = &[ + "PHP_VERSION", + "PHP_DEBUG", + "PHP_ZTS", + "PHP_INT_SIZE", + "AF_INET6", + "GD_VERSION", + "GMP_VERSION", + "ICONV_VERSION", + "INTL_ICU_VERSION", + "LIBXML_DOTTED_VERSION", + "MB_ONIGURUMA_VERSION", + "OPENSSL_VERSION_TEXT", + "PCRE_VERSION", + "PGSQL_LIBPQ_VERSION", + "RD_KAFKA_VERSION", + "SODIUM_LIBRARY_VERSION", + "LIBXSLT_DOTTED_VERSION", + "ZipArchive::LIBZIP_VERSION", + "ZLIB_VERSION", +]; + +/// The classes the `platform` payload carries the existence of. +const PLATFORM_CLASSES: &[&str] = &["ResourceBundle", "IntlChar"]; + +/// Everything `PlatformRepository` needs to know about the PHP runtime, fetched in a single round +/// trip because it would otherwise query the same runtime once per extension and constant. +/// +/// The fields standing in for PHP objects (`resource_bundle`, `imagick`) carry the entries the +/// consumer reads off them rather than the object itself. +#[derive(Debug, Clone)] +pub struct PlatformInfo { + extensions: Vec<String>, + extension_versions: IndexMap<String, String>, + extension_info: IndexMap<String, String>, + /// Keyed as `ltrim($class.'::'.$constant, ':')`; `None` for a reported but undefined constant. + constants: IndexMap<String, Option<PhpMixed>>, + classes: IndexMap<String, bool>, + /// `curl_version()`, or null when the curl extension is not loaded. + pub curl_version: PhpMixed, + /// `@inet_pton('::')`. + pub inet_pton_ipv6: PhpMixed, + /// `['Version' => ResourceBundle::create('root', 'ICUDATA', false)->get('Version')]`, or null + /// when the class is absent or the bundle cannot be opened. + pub resource_bundle: PhpMixed, + /// `IntlChar::getUnicodeVersion()`, or null when the class is absent. + pub intl_char_unicode_version: PhpMixed, + /// `(new Imagick())->getVersion()`, or null when the extension is not loaded. + pub imagick: PhpMixed, +} + +impl Default for PlatformInfo { + /// A runtime with no extensions loaded, no classes defined and every reported constant + /// undefined. + fn default() -> Self { + PlatformInfo { + extensions: Vec::new(), + extension_versions: IndexMap::new(), + extension_info: IndexMap::new(), + constants: PLATFORM_CONSTANTS .iter() - .map(|(name, value)| (name.clone(), as_bool(value, name))) + .map(|name| ((*name).to_string(), None)) .collect(), - functions: map_field(payload, "functions") + classes: PLATFORM_CLASSES .iter() - .map(|(name, value)| (name.clone(), as_bool(value, name))) + .map(|name| ((*name).to_string(), false)) .collect(), - ini_settings: map_field(payload, "ini") + curl_version: PhpMixed::Null, + inet_pton_ipv6: PhpMixed::Null, + resource_bundle: PhpMixed::Null, + intl_char_unicode_version: PhpMixed::Null, + imagick: PhpMixed::Null, + } + } +} + +impl PlatformInfo { + /// PHP `get_loaded_extensions()`. + pub fn get_extensions(&self) -> &[String] { + &self.extensions + } + + /// PHP `phpversion($extension)`, with PHP's `false` mapped to `'0'`. + pub fn get_extension_version(&self, extension: &str) -> &str { + self.extension_versions + .get(extension) + .unwrap_or_else(|| { + panic!("PHP RPC: extension `{extension}` is not loaded in the platform payload") + }) + .as_str() + } + + /// PHP `(new \ReflectionExtension($extension))->info()` output. Only the extensions the worker + /// reports can be asked about; any other name is a bug in the caller. + pub fn get_extension_info(&self, extension: &str) -> &str { + self.extension_info + .get(extension) + .unwrap_or_else(|| { + panic!("PHP RPC: extension `{extension}` info is not in the platform payload") + }) + .as_str() + } + + /// PHP `defined(ltrim($class.'::'.$constant, ':'))`. Only the constants the worker reports can + /// be asked about; any other name is a bug in the caller, not an undefined constant. + pub fn has_constant(&self, constant_name: &str, class: Option<&str>) -> bool { + self.constant(constant_name, class).is_some() + } + + /// PHP `constant(ltrim($class.'::'.$constant, ':'))`, answering null for an undefined + /// constant. See [`PlatformInfo::has_constant`] for the fixed set of names. + pub fn get_constant(&self, constant_name: &str, class: Option<&str>) -> PhpMixed { + self.constant(constant_name, class) + .cloned() + .unwrap_or(PhpMixed::Null) + } + + /// PHP `class_exists($class, false)`. See [`PlatformInfo::has_constant`] for the fixed set of + /// names. + pub fn has_class(&self, class: &str) -> bool { + *self.classes.get(class).unwrap_or_else(|| { + panic!("PHP RPC: class `{class}` is not reported by the platform payload") + }) + } + + /// For testing only: reports `extensions` as loaded, each at `version`. + pub fn __set_extensions(&mut self, extensions: Vec<String>, version: &str) { + self.extension_versions = extensions + .iter() + .map(|name| (name.clone(), version.to_string())) + .collect(); + self.extensions = extensions; + } + + /// For testing only: reports `info` as the `ReflectionExtension::info()` output of `extension`. + pub fn __set_extension_info(&mut self, extension: &str, info: &str) { + self.extension_info + .insert(extension.to_string(), info.to_string()); + } + + /// For testing only: reports the constant as defined with `value`. Panics on a constant the + /// worker does not report, so a test cannot describe a runtime the worker cannot report. + pub fn __set_constant(&mut self, constant_name: &str, class: Option<&str>, value: PhpMixed) { + let key = Self::constant_key(constant_name, class); + let entry = self.constants.get_mut(&key).unwrap_or_else(|| { + panic!("PHP RPC: constant `{key}` is not reported by the platform payload") + }); + *entry = Some(value); + } + + /// For testing only: reports the class as defined. See [`PlatformInfo::__set_constant`]. + pub fn __set_class(&mut self, class: &str) { + let entry = self.classes.get_mut(class).unwrap_or_else(|| { + panic!("PHP RPC: class `{class}` is not reported by the platform payload") + }); + *entry = true; + } + + fn constant(&self, constant_name: &str, class: Option<&str>) -> Option<&PhpMixed> { + let key = Self::constant_key(constant_name, class); + self.constants + .get(&key) + .unwrap_or_else(|| { + panic!("PHP RPC: constant `{key}` is not reported by the platform payload") + }) + .as_ref() + } + + fn constant_key(constant_name: &str, class: Option<&str>) -> String { + match class { + Some(class) => format!("{class}::{constant_name}"), + None => constant_name.to_string(), + } + } +} + +static PLATFORM_INFO: OnceLock<PlatformInfo> = OnceLock::new(); + +/// PHP runtime information for `PlatformRepository`. The worker is queried once per process; +/// subsequent calls reuse the cached payload. +pub fn get_platform_info() -> &'static PlatformInfo { + PLATFORM_INFO.get_or_init(|| { + let payload = call("platform", ""); + let payload = payload + .as_array() + .unwrap_or_else(|| panic!("PHP RPC: `platform` did not return an array: {payload:?}")); + let payload = &Payload { + what: "platform", + map: payload, + }; + + let constant_names = payload.string_list("constant_names"); + assert_eq!( + constant_names .iter() - .map(|(name, value)| (name.clone(), as_nullable_string(value, name))) + .map(String::as_str) + .collect::<Vec<_>>(), + PLATFORM_CONSTANTS, + "PHP RPC: the worker reports different constants than the platform payload declares" + ); + let constants = payload.map("constants"); + let classes = payload.bool_map("classes"); + assert_eq!( + classes.keys().map(String::as_str).collect::<Vec<_>>(), + PLATFORM_CLASSES, + "PHP RPC: the worker reports different classes than the platform payload declares" + ); + + PlatformInfo { + extensions: payload.string_list("extensions"), + extension_versions: payload.string_map("extension_versions"), + extension_info: payload.string_map("extension_info"), + constants: constant_names + .into_iter() + .map(|name| { + let value = constants.and_then(|map| map.get(&name)).cloned(); + (name, value) + }) .collect(), + classes, + curl_version: payload.mixed("curl_version"), + inet_pton_ipv6: payload.mixed("inet_pton_ipv6"), + resource_bundle: payload.mixed("resource_bundle"), + intl_char_unicode_version: payload.mixed("intl_char_unicode_version"), + imagick: payload.mixed("imagick"), } }) } -fn field<'a>(payload: &'a IndexMap<String, PhpMixed>, key: &str) -> &'a PhpMixed { - payload - .get(key) - .unwrap_or_else(|| panic!("PHP RPC: `diagnose` payload has no `{key}` entry")) +/// One worker answer, named after the dispatch entry that produced it so a decoding failure says +/// which payload was malformed. +struct Payload<'a> { + what: &'static str, + map: &'a IndexMap<String, PhpMixed>, } -fn string_field(payload: &IndexMap<String, PhpMixed>, key: &str) -> String { - match field(payload, key) { - PhpMixed::String(s) => s.clone(), - other => panic!("PHP RPC: `diagnose` payload entry `{key}` is not a string: {other:?}"), +impl Payload<'_> { + fn field(&self, key: &str) -> &PhpMixed { + self.map + .get(key) + .unwrap_or_else(|| panic!("PHP RPC: `{}` payload has no `{key}` entry", self.what)) } -} -fn nullable_string_field(payload: &IndexMap<String, PhpMixed>, key: &str) -> Option<String> { - as_nullable_string(field(payload, key), key) -} + fn mixed(&self, key: &str) -> PhpMixed { + self.field(key).clone() + } -fn int_field(payload: &IndexMap<String, PhpMixed>, key: &str) -> i64 { - match field(payload, key) { - PhpMixed::Int(n) => *n, - other => panic!("PHP RPC: `diagnose` payload entry `{key}` is not an int: {other:?}"), + fn string(&self, key: &str) -> String { + match self.field(key) { + PhpMixed::String(s) => s.clone(), + other => panic!( + "PHP RPC: `{}` payload entry `{key}` is not a string: {other:?}", + self.what + ), + } } -} -fn bool_field(payload: &IndexMap<String, PhpMixed>, key: &str) -> bool { - as_bool(field(payload, key), key) -} + fn nullable_string(&self, key: &str) -> Option<String> { + as_nullable_string(self.field(key), self.what, key) + } -fn map_field<'a>( - payload: &'a IndexMap<String, PhpMixed>, - key: &str, -) -> &'a IndexMap<String, PhpMixed> { - match field(payload, key) { - PhpMixed::Array(map) => map, - other => panic!("PHP RPC: `diagnose` payload entry `{key}` is not an array: {other:?}"), + fn int(&self, key: &str) -> i64 { + match self.field(key) { + PhpMixed::Int(n) => *n, + other => panic!( + "PHP RPC: `{}` payload entry `{key}` is not an int: {other:?}", + self.what + ), + } + } + + fn bool(&self, key: &str) -> bool { + as_bool(self.field(key), self.what, key) + } + + /// `None` for PHP's empty array, which carries no key type and so decodes as an empty list. + fn map(&self, key: &str) -> Option<&IndexMap<String, PhpMixed>> { + match self.field(key) { + PhpMixed::Array(map) => Some(map), + PhpMixed::List(items) if items.is_empty() => None, + other => panic!( + "PHP RPC: `{}` payload entry `{key}` is not an array: {other:?}", + self.what + ), + } + } + + fn entries(&self, key: &str) -> impl Iterator<Item = (&String, &PhpMixed)> { + self.map(key).into_iter().flatten() + } + + fn bool_map(&self, key: &str) -> IndexMap<String, bool> { + self.entries(key) + .map(|(name, value)| (name.clone(), as_bool(value, self.what, name))) + .collect() + } + + fn string_map(&self, key: &str) -> IndexMap<String, String> { + self.entries(key) + .map(|(name, value)| match value { + PhpMixed::String(s) => (name.clone(), s.clone()), + other => panic!( + "PHP RPC: `{}` payload entry `{key}[{name}]` is not a string: {other:?}", + self.what + ), + }) + .collect() + } + + fn string_list(&self, key: &str) -> Vec<String> { + match self.field(key) { + PhpMixed::List(items) => items + .iter() + .map(|item| match item { + PhpMixed::String(s) => s.clone(), + other => panic!( + "PHP RPC: `{}` payload entry `{key}` has a non-string element: {other:?}", + self.what + ), + }) + .collect(), + other => panic!( + "PHP RPC: `{}` payload entry `{key}` is not a list: {other:?}", + self.what + ), + } } } -fn as_bool(value: &PhpMixed, key: &str) -> bool { +fn as_bool(value: &PhpMixed, what: &str, key: &str) -> bool { match value { PhpMixed::Bool(b) => *b, - other => panic!("PHP RPC: `diagnose` payload entry `{key}` is not a bool: {other:?}"), + other => panic!("PHP RPC: `{what}` payload entry `{key}` is not a bool: {other:?}"), + } +} + +fn as_nullable_string(value: &PhpMixed, what: &str, key: &str) -> Option<String> { + match value { + PhpMixed::String(s) => Some(s.clone()), + PhpMixed::Null => None, + other => { + panic!("PHP RPC: `{what}` payload entry `{key}` is not a string or null: {other:?}") + } } } -fn nullable_int_field(payload: &IndexMap<String, PhpMixed>, key: &str) -> Option<i64> { - match field(payload, key) { +fn nullable_int_field(payload: &Payload, key: &str) -> Option<i64> { + let what = payload.what; + match payload.field(key) { PhpMixed::Int(n) => Some(*n), PhpMixed::Null => None, other => { - panic!("PHP RPC: `diagnose` payload entry `{key}` is not an int or null: {other:?}") + panic!("PHP RPC: `{what}` payload entry `{key}` is not an int or null: {other:?}") } } } -fn curl_field(payload: &IndexMap<String, PhpMixed>, key: &str) -> Option<Curl> { - let curl = match field(payload, key) { +fn curl_field(payload: &Payload, key: &str) -> Option<Curl> { + let what = payload.what; + let curl = match payload.field(key) { PhpMixed::Null => return None, PhpMixed::Array(map) => map, other => { - panic!("PHP RPC: `diagnose` payload entry `{key}` is not an array or null: {other:?}") + panic!("PHP RPC: `{what}` payload entry `{key}` is not an array or null: {other:?}") } }; + let curl = &Payload { what, map: curl }; Some(Curl { - version: string_field(curl, "version"), - libz_version: nullable_string_field(curl, "libz_version"), - brotli_version: nullable_string_field(curl, "brotli_version"), - ssl_version: nullable_string_field(curl, "ssl_version"), + version: curl.string("version"), + libz_version: curl.nullable_string("libz_version"), + brotli_version: curl.nullable_string("brotli_version"), + ssl_version: curl.nullable_string("ssl_version"), features: nullable_int_field(curl, "features"), version_zstd: nullable_int_field(curl, "version_zstd"), version_http2: nullable_int_field(curl, "version_http2"), - has_http_version_2_0: bool_field(curl, "has_http_version_2_0"), + has_http_version_2_0: curl.bool("has_http_version_2_0"), version_http3: nullable_int_field(curl, "version_http3"), }) } -fn as_nullable_string(value: &PhpMixed, key: &str) -> Option<String> { - match value { - PhpMixed::String(s) => Some(s.clone()), - PhpMixed::Null => None, - other => { - panic!("PHP RPC: `diagnose` payload entry `{key}` is not a string or null: {other:?}") - } - } -} - /// PHP `phpversion($extension)`. pub fn phpversion(extension: &str) -> Option<String> { match call("phpversion", extension) { @@ -281,11 +536,6 @@ pub fn phpversion(extension: &str) -> Option<String> { } } -/// PHP `get_loaded_extensions()`. -pub fn get_loaded_extensions() -> Vec<String> { - string_list(call("get_loaded_extensions", ""), "get_loaded_extensions") -} - /// `Composer\XdebugHandler\XdebugHandler::getAllIniFiles()` (minus the `self::$name` branch, /// which is unreachable since this port never constructs an XdebugHandler): `[(string) /// php_ini_loaded_file()]` merged with the trimmed, comma-split `php_ini_scanned_files()` list @@ -851,12 +1101,6 @@ mod tests { return; } - let extensions = get_loaded_extensions(); - assert!( - extensions.iter().any(|extension| extension == "Core"), - "expected the Core extension among {extensions:?}", - ); - // XdebugHandler::getAllIniFiles() always yields at least one entry, which is the empty // string when no php.ini is loaded. assert!(!get_all_ini_files().is_empty()); @@ -910,20 +1154,38 @@ mod tests { } #[test] - fn queries_constants_when_php_available() { + fn queries_platform_info_when_php_available() { if PhpExecutableFinder::new().find(false).is_none() { // No PHP in this environment; the worker cannot start. return; } - assert!(has_constant("PHP_VERSION")); - assert!(!has_constant("SHIRABE_DOES_NOT_EXIST_XYZ")); + let platform_info = get_platform_info(); - assert_eq!(get_constant("PHP_INT_SIZE"), PhpMixed::Int(8)); - assert_eq!(get_constant("SHIRABE_DOES_NOT_EXIST_XYZ"), PhpMixed::Null); - match get_constant("PHP_VERSION") { + let extensions = platform_info.get_extensions(); + assert!( + extensions.iter().any(|extension| extension == "Core"), + "expected the Core extension among {extensions:?}", + ); + assert_eq!( + platform_info.get_extension_version("Core"), + get_php_version() + ); + + assert!(platform_info.has_constant("PHP_VERSION", None)); + assert_eq!( + platform_info.get_constant("PHP_INT_SIZE", None), + PhpMixed::Int(8) + ); + match platform_info.get_constant("PHP_VERSION", None) { PhpMixed::String(s) => assert!(!s.is_empty(), "expected a non-empty PHP_VERSION"), other => panic!("expected a string, got {other:?}"), } } + + #[test] + #[should_panic(expected = "is not reported by the platform payload")] + fn platform_info_rejects_an_unreported_constant() { + PlatformInfo::default().has_constant("SHIRABE_DOES_NOT_EXIST_XYZ", None); + } } |