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fix(api): use etag on book thumbnails

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closes #117
This commit is contained in:
Gauthier Roebroeck 2020-03-21 11:15:29 +08:00
parent 9f1bdba43a
commit 871a92a783
1 changed files with 5 additions and 2 deletions
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7
komga/src/main/kotlin/org/gotson/komga/interfaces/rest/BookController.kt
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@ -179,22 +179,25 @@ class BookController(
@GetMapping(value = [
"api/v1/books/{bookId}/thumbnail",
"opds/v1.2/books/{bookId}/thumbnail"
], produces = [MediaType.IMAGE_PNG_VALUE])
], produces = [MediaType.IMAGE_JPEG_VALUE])
fun getBookThumbnail(
@AuthenticationPrincipal principal: KomgaPrincipal,
request: WebRequest,
@PathVariable bookId: Long
): ResponseEntity<ByteArray> =
bookRepository.findByIdOrNull(bookId)?.let { book ->
if (request.checkNotModified(getBookLastModified(book))) {
val etag = book.id.toString()
if (request.checkNotModified(etag, getBookLastModified(book))) {
return@let ResponseEntity
.status(HttpStatus.NOT_MODIFIED)
.eTag(etag)
.setNotModified(book)
.body(ByteArray(0))
}
if (!principal.user.canAccessBook(book)) throw ResponseStatusException(HttpStatus.UNAUTHORIZED)
if (book.media.thumbnail != null) {
ResponseEntity.ok()
.eTag(etag)
.setNotModified(book)
.body(book.media.thumbnail)
} else throw ResponseStatusException(HttpStatus.NOT_FOUND)