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docs: clarify that MAX_PAGES_PER_CHAPTER=0 relies on the body-size backstop

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Make explicit (config.rs + .env.example) that disabling the per-chapter page cap
leaves MAX_REQUEST_BYTES as the sole bound (audit footgun). No behavior change;
the thumbnail-source read is already bounded by MAX_FILE_BYTES + decode limits.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
MechaCat02
2026-07-13 21:56:19 +02:00
parent 90f2398e56
commit 60d5a2efea
2 changed files with 8 additions and 4 deletions
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6
.env.example
View File

@@ -118,8 +118,10 @@ MAX_REQUEST_BYTES=209715200
MAX_FILE_BYTES=20971520 MAX_FILE_BYTES=20971520
# Max page images accepted in one chapter upload. Bounds how many parts # Max page images accepted in one chapter upload. Bounds how many parts
# the handler will stage before rejecting the request with 413, so a # the handler will stage before rejecting the request with 413, so a
# client can't pin a worker with an unbounded page count. 0 disables the # client can't pin a worker with an unbounded page count. Default 2000.
# cap. Default 2000. # Setting 0 disables THIS cap — the total is then bounded only by
# MAX_REQUEST_BYTES (the whole-request body limit above), so leave 0 only
# if you intend that body limit to be the sole backstop.
MAX_PAGES_PER_CHAPTER=2000 MAX_PAGES_PER_CHAPTER=2000
# ----- Crawler download safety ----- # ----- Crawler download safety -----

6
backend/src/config.rs
View File

@@ -66,8 +66,10 @@ pub struct UploadConfig {
pub max_file_bytes: usize, pub max_file_bytes: usize,
/// Max page images accepted in one chapter upload. Bounds how many /// Max page images accepted in one chapter upload. Bounds how many
/// parts the handler will stage before giving up, so a client can't /// parts the handler will stage before giving up, so a client can't
/// pin a worker streaming an unbounded page count. `0` disables the /// pin a worker streaming an unbounded page count. `0` disables THIS
/// cap. Defaults to 2000. `MAX_PAGES_PER_CHAPTER`. /// cap — the total is then bounded only by `max_request_bytes` (the
/// whole-request body limit), which stays the backstop either way.
/// Defaults to 2000. `MAX_PAGES_PER_CHAPTER`.
pub max_pages_per_chapter: usize, pub max_pages_per_chapter: usize,
} }