fix: harden Web image admission
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52 files changed
+999
-444
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@@ -36,7 +36,7 @@ interface ImageAttachmentRef {
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```
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```ts type-equiv
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/** Deployment-resolved limits shared by upload consumers and UI preflight. */
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/** Deployment-resolved limits used by upload admission and request buffering. */
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interface ImageAttachmentLimits {
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maxImageBytes: number
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maxImagesPerMessage: number
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@@ -54,7 +54,7 @@ interface ImageAttachmentLimits {
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/** Request to validate and durably commit one image. */
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interface SaveImageAttachment {
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data: Uint8Array
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/** Caller-declared media type, checked against magic bytes. */
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/** Caller-declared media type, checked against fully decoded bytes. */
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mediaType: ImageMediaType
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/** Optional browser/provider display name; it is never interpreted as a path. */
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name?: string
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@@ -69,4 +69,4 @@ interface StoredImageAttachment {
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}
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```
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`saveImage()` 校验字节并以原子方式提交一个对象,之后才返回其引用。`validateImage()` 执行相同的准入检查,但不持久化任何内容;批量调用方会在保存任何成员前通过它校验所有成员,因此准入拒绝不会留下部分对象。`readImage()` 接受来自已授权会话路径的引用,只在完整性校验通过后返回字节。该服务刻意不规定保留策略:恢复和 fork 后的会话可能共享对象,因此基于引用的垃圾回收会延期实现,而不是与任何一个会话的删除绑定。
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`saveImage()` 校验字节并以原子方式提交一个对象,之后才返回其引用。`validateImage()` 执行相同的准入检查,但不持久化任何内容;批量调用方会在保存任何成员前通过它校验所有成员,因此校验拒绝不会留下部分对象。`readImage()` 接受来自已授权会话路径的引用,只在完整性校验通过后返回字节。该服务刻意不规定保留策略:恢复和 fork 后的会话可能共享对象,因此基于引用的垃圾回收会延期实现,而不是与任何一个会话的删除绑定。
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