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Auto merge of #15366 - szeged:name-filter-length, r=nox

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Remove the 29 byte limitation, when requesting bluetooth devices

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Remove the 29 byte limit when calling `requestDevice` using a `name` or `namePrefix`. The following discussion is about this by the specification writers: https://bugs.chromium.org/p/chromium/issues/detail?id=653718.
Related tests also got removed.

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] There are tests for these changes

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This commit is contained in:
bors-servo 2017-02-03 04:15:34 -08:00 • committed by GitHub
commit f5e35179d4
6 changed files with 1 additions and 98 deletions
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13
components/script/dom/bluetooth.rs
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@ -13,7 +13,7 @@ use dom::bindings::codegen::Bindings::BluetoothBinding::{self, BluetoothDataFilt
use dom::bindings::codegen::Bindings::BluetoothBinding::{BluetoothMethods, RequestDeviceOptions};
use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
use dom::bindings::codegen::UnionTypes::StringOrUnsignedLong;
use dom::bindings::error::Error::{self, Network, NotFound, Security, Type};
use dom::bindings::error::Error::{self, Network, Security, Type};
use dom::bindings::error::Fallible;
use dom::bindings::js::{JS, Root};
use dom::bindings::refcounted::{Trusted, TrustedPromise};
@ -40,11 +40,6 @@ const MANUFACTURER_DATA_ERROR: &'static str = "'manufacturerData', if present, m
const MASK_LENGTH_ERROR: &'static str = "`mask`, if present, must have the same length as `dataPrefix`.";
// 248 is the maximum number of UTF-8 code units in a Bluetooth Device Name.
const MAX_DEVICE_NAME_LENGTH: usize = 248;
// A device name can never be longer than 29 bytes.
// An advertising packet is at most 31 bytes long.
// The length and identifier of the length field take 2 bytes.
// That leaves 29 bytes for the name.
const MAX_FILTER_NAME_LENGTH: usize = 29;
const NAME_PREFIX_ERROR: &'static str = "'namePrefix', if present, must be nonempty.";
const NAME_TOO_LONG_ERROR: &'static str = "A device name can't be longer than 248 bytes.";
const SERVICE_DATA_ERROR: &'static str = "'serviceData', if present, must be non-empty to filter devices.";
@ -311,9 +306,6 @@ fn canonicalize_filter(filter: &BluetoothLEScanFilterInit) -> Fallible<Bluetooth
if name.len() > MAX_DEVICE_NAME_LENGTH {
return Err(Type(NAME_TOO_LONG_ERROR.to_owned()));
}
if name.len() > MAX_FILTER_NAME_LENGTH {
return Err(NotFound);
}
// Step 4.2.
Some(name.to_string())
@ -331,9 +323,6 @@ fn canonicalize_filter(filter: &BluetoothLEScanFilterInit) -> Fallible<Bluetooth
if name_prefix.len() > MAX_DEVICE_NAME_LENGTH {
return Err(Type(NAME_TOO_LONG_ERROR.to_owned()));
}
if name_prefix.len() > MAX_FILTER_NAME_LENGTH {
return Err(NotFound);
}
// Step 5.2.
name_prefix.to_string()