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author | bojie <bojie@dexon.org> | 2018-12-28 13:15:06 +0800 |
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committer | Wei-Ning Huang <w@byzantine-lab.io> | 2019-06-12 17:27:20 +0800 |
commit | 3d46f69a10a60324ee6af0c96d064cc73ed5c37d (patch) | |
tree | ae9dd76f3f9a69c0acb18f6b0343601558d2e00f /vendor/go.opencensus.io/tag/validate.go | |
parent | 2426b985ae9773afe12f5a9f982cf4f2629f81a3 (diff) | |
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app: use gcp storage instead of azure for builds (#81)
* vendor: add dependencies for using GCP storage
* app: use gcp storage instead of azure for builds
Diffstat (limited to 'vendor/go.opencensus.io/tag/validate.go')
-rw-r--r-- | vendor/go.opencensus.io/tag/validate.go | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/vendor/go.opencensus.io/tag/validate.go b/vendor/go.opencensus.io/tag/validate.go new file mode 100644 index 000000000..0939fc674 --- /dev/null +++ b/vendor/go.opencensus.io/tag/validate.go @@ -0,0 +1,56 @@ +// Copyright 2017, OpenCensus Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package tag + +import "errors" + +const ( + maxKeyLength = 255 + + // valid are restricted to US-ASCII subset (range 0x20 (' ') to 0x7e ('~')). + validKeyValueMin = 32 + validKeyValueMax = 126 +) + +var ( + errInvalidKeyName = errors.New("invalid key name: only ASCII characters accepted; max length must be 255 characters") + errInvalidValue = errors.New("invalid value: only ASCII characters accepted; max length must be 255 characters") +) + +func checkKeyName(name string) bool { + if len(name) == 0 { + return false + } + if len(name) > maxKeyLength { + return false + } + return isASCII(name) +} + +func isASCII(s string) bool { + for _, c := range s { + if (c < validKeyValueMin) || (c > validKeyValueMax) { + return false + } + } + return true +} + +func checkValue(v string) bool { + if len(v) > maxKeyLength { + return false + } + return isASCII(v) +} |