323 lines
10 KiB
Rust
323 lines
10 KiB
Rust
//! Validators for `contentMediaType` and `contentEncoding` keywords.
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use crate::{
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compilation::{context::CompilationContext, JSONSchema},
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content_encoding::{ContentEncodingCheckType, ContentEncodingConverterType},
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content_media_type::ContentMediaTypeCheckType,
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error::{error, no_error, ErrorIterator, ValidationError},
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keywords::CompilationResult,
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paths::{InstancePath, JSONPointer},
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primitive_type::PrimitiveType,
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validator::Validate,
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};
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use serde_json::{Map, Value};
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/// Validator for `contentMediaType` keyword.
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pub(crate) struct ContentMediaTypeValidator {
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media_type: String,
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func: ContentMediaTypeCheckType,
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schema_path: JSONPointer,
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}
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impl ContentMediaTypeValidator {
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#[inline]
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pub(crate) fn compile(
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media_type: &str,
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func: ContentMediaTypeCheckType,
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schema_path: JSONPointer,
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) -> CompilationResult {
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Ok(Box::new(ContentMediaTypeValidator {
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media_type: media_type.to_string(),
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func,
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schema_path,
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}))
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}
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}
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/// Validator delegates validation to the stored function.
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impl Validate for ContentMediaTypeValidator {
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fn is_valid(&self, _: &JSONSchema, instance: &Value) -> bool {
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if let Value::String(item) = instance {
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(self.func)(item)
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} else {
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true
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}
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}
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fn validate<'a, 'b>(
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&self,
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_: &'a JSONSchema,
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instance: &'b Value,
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instance_path: &InstancePath,
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) -> ErrorIterator<'b> {
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if let Value::String(item) = instance {
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if (self.func)(item) {
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no_error()
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} else {
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error(ValidationError::content_media_type(
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self.schema_path.clone(),
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instance_path.into(),
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instance,
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&self.media_type,
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))
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}
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} else {
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no_error()
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}
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}
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}
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impl core::fmt::Display for ContentMediaTypeValidator {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "contentMediaType: {}", self.media_type)
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}
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}
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/// Validator for `contentEncoding` keyword.
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pub(crate) struct ContentEncodingValidator {
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encoding: String,
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func: ContentEncodingCheckType,
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schema_path: JSONPointer,
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}
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impl ContentEncodingValidator {
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#[inline]
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pub(crate) fn compile(
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encoding: &str,
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func: ContentEncodingCheckType,
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schema_path: JSONPointer,
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) -> CompilationResult {
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Ok(Box::new(ContentEncodingValidator {
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encoding: encoding.to_string(),
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func,
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schema_path,
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}))
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}
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}
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impl Validate for ContentEncodingValidator {
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fn is_valid(&self, _: &JSONSchema, instance: &Value) -> bool {
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if let Value::String(item) = instance {
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(self.func)(item)
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} else {
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true
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}
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}
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fn validate<'a, 'b>(
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&self,
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_: &'a JSONSchema,
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instance: &'b Value,
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instance_path: &InstancePath,
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) -> ErrorIterator<'b> {
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if let Value::String(item) = instance {
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if (self.func)(item) {
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no_error()
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} else {
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error(ValidationError::content_encoding(
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self.schema_path.clone(),
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instance_path.into(),
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instance,
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&self.encoding,
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))
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}
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} else {
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no_error()
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}
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}
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}
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impl core::fmt::Display for ContentEncodingValidator {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "contentEncoding: {}", self.encoding)
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}
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}
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/// Combined validator for both `contentEncoding` and `contentMediaType` keywords.
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pub(crate) struct ContentMediaTypeAndEncodingValidator {
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media_type: String,
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encoding: String,
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func: ContentMediaTypeCheckType,
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converter: ContentEncodingConverterType,
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schema_path: JSONPointer,
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}
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impl ContentMediaTypeAndEncodingValidator {
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#[inline]
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pub(crate) fn compile<'a>(
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media_type: &'a str,
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encoding: &'a str,
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func: ContentMediaTypeCheckType,
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converter: ContentEncodingConverterType,
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schema_path: JSONPointer,
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) -> CompilationResult<'a> {
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Ok(Box::new(ContentMediaTypeAndEncodingValidator {
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media_type: media_type.to_string(),
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encoding: encoding.to_string(),
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func,
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converter,
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schema_path,
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}))
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}
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}
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/// Decode the input value & check media type
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impl Validate for ContentMediaTypeAndEncodingValidator {
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fn is_valid(&self, _: &JSONSchema, instance: &Value) -> bool {
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if let Value::String(item) = instance {
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match (self.converter)(item) {
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Ok(None) | Err(_) => false,
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Ok(Some(converted)) => (self.func)(&converted),
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}
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} else {
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true
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}
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}
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fn validate<'a, 'b>(
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&self,
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_: &'a JSONSchema,
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instance: &'b Value,
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instance_path: &InstancePath,
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) -> ErrorIterator<'b> {
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if let Value::String(item) = instance {
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match (self.converter)(item) {
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Ok(None) => error(ValidationError::content_encoding(
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self.schema_path.clone_with("contentEncoding"),
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instance_path.into(),
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instance,
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&self.encoding,
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)),
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Ok(Some(converted)) => {
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if (self.func)(&converted) {
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no_error()
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} else {
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error(ValidationError::content_media_type(
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self.schema_path.clone_with("contentMediaType"),
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instance_path.into(),
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instance,
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&self.media_type,
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))
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}
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}
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Err(e) => error(e),
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}
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} else {
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no_error()
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}
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}
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}
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impl core::fmt::Display for ContentMediaTypeAndEncodingValidator {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(
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f,
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"{{contentMediaType: {}, contentEncoding: {}}}",
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self.media_type, self.encoding
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)
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}
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}
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#[inline]
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pub(crate) fn compile_media_type<'a>(
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schema: &'a Map<String, Value>,
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subschema: &'a Value,
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context: &CompilationContext,
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) -> Option<CompilationResult<'a>> {
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match subschema {
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Value::String(media_type) => {
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let func = match context.config.content_media_type_check(media_type.as_str()) {
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Some(f) => f,
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None => return None,
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};
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if let Some(content_encoding) = schema.get("contentEncoding") {
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match content_encoding {
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Value::String(content_encoding) => {
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let converter = match context
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.config
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.content_encoding_convert(content_encoding.as_str())
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{
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Some(f) => f,
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None => return None,
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};
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Some(ContentMediaTypeAndEncodingValidator::compile(
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media_type,
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content_encoding,
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func,
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converter,
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context.schema_path.clone().into(),
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))
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}
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_ => Some(Err(ValidationError::single_type_error(
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JSONPointer::default(),
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context.clone().into_pointer(),
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content_encoding,
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PrimitiveType::String,
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))),
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}
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} else {
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Some(ContentMediaTypeValidator::compile(
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media_type,
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func,
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context.as_pointer_with("contentMediaType"),
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))
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}
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}
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_ => Some(Err(ValidationError::single_type_error(
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JSONPointer::default(),
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context.clone().into_pointer(),
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subschema,
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PrimitiveType::String,
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))),
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}
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}
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#[inline]
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pub(crate) fn compile_content_encoding<'a>(
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schema: &'a Map<String, Value>,
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subschema: &'a Value,
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context: &CompilationContext,
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) -> Option<CompilationResult<'a>> {
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// Performed during media type validation
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if schema.get("contentMediaType").is_some() {
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// TODO. what if media type is not supported?
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return None;
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}
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match subschema {
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Value::String(content_encoding) => {
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let func = match context
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.config
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.content_encoding_check(content_encoding.as_str())
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{
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Some(f) => f,
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None => return None,
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};
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Some(ContentEncodingValidator::compile(
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content_encoding,
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func,
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context.as_pointer_with("contentEncoding"),
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))
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}
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_ => Some(Err(ValidationError::single_type_error(
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JSONPointer::default(),
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context.clone().into_pointer(),
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subschema,
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PrimitiveType::String,
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))),
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::tests_util;
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use serde_json::{json, Value};
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use test_case::test_case;
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#[test_case(&json!({"contentEncoding": "base64"}), &json!("asd"), "/contentEncoding")]
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#[test_case(&json!({"contentMediaType": "application/json"}), &json!("asd"), "/contentMediaType")]
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#[test_case(&json!({"contentMediaType": "application/json", "contentEncoding": "base64"}), &json!("ezp9Cg=="), "/contentMediaType")]
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#[test_case(&json!({"contentMediaType": "application/json", "contentEncoding": "base64"}), &json!("{}"), "/contentEncoding")]
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fn schema_path(schema: &Value, instance: &Value, expected: &str) {
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tests_util::assert_schema_path(schema, instance, expected)
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}
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}
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