cuducos.me
🇧🇷 CPF validation in Go
Moves to Tangled
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.github/workflows/tests.yml
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.github/workflows/tests.yml
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name: Tests
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on: [pull_request, push]
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jobs:
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build:
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name: Build
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runs-on: ubuntu-latest
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steps:
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- name: Set up Go 1.14
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uses: actions/setup-go@v1
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with:
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go-version: 1.14
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id: go
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- name: Check out code into the Go module directory
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uses: actions/checkout@v2
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- name: Get dependencies
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run: |
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go get -v -t -d ./...
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if [ -f Gopkg.toml ]; then
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curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
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dep ensure
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fi
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- name: Build
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run: go test
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when:
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- event: ["push"]
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branch: ["main"]
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engine: "nixery"
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dependencies:
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nixpkgs:
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- go
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- golangci-lint
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steps:
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- name: Formatting
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command: if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then exit 1; fi
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- name: Linter
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command: golangci-lint run ./...
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- name: Tests
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command: go test -v -race ./...
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README.md
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README.md
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# Go CPF []()[](https://godoc.org/github.com/cuducos/go-cpf)
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# Go CPF [](https://godoc.org/tangled.org/cuducos.me/go-cpf)
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A Go module to validate CPF numbers (Brazilian unique identifier for the Federal Revenue).
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```go
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package main
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import "github.com/cuducos/go-cpf"
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import "tangled.org/cuducos.me/go-cpf"
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func main() {
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cpf.go
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cpf.go
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"strings"
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)
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//These are auxiliar type and variable to build a set
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// These are auxiliar type and variable to build a set
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type void struct{}
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var member void
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func checksum(ds []int64) int64 {
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var s int64
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return r
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}
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//IsValid checks whether CPF number is valid or not
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func IsValid(n string) bool {
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// IsValid checks whether CPF number is valid or not
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func IsValid(n string) bool {
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u := Unmask(n)
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if len(u) != 11 {
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return checksum(ds[:9]) == ds[9] && checksum(ds[:10]) == ds[10]
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}
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//Mask returns the CPF number formatted
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func Mask(n string) string {
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// Mask returns the CPF number formatted
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func Mask(n string) string {
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u := Unmask(n)
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if len(u) != 11 {
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return n
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return fmt.Sprintf("%s.%s.%s-%s", u[:3], u[3:6], u[6:9], u[9:])
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}
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//Unmask removes any non-digit (numeric) from the CPF number
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func Unmask(n string) string {
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// Unmask removes any non-digit (numeric) from the CPF number
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func Unmask(n string) string {
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return regexp.MustCompile(`\D`).ReplaceAllString(n, "")
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}
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cpf_test.go
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cpf_test.go