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69 lines
1.9 KiB
Markdown
69 lines
1.9 KiB
Markdown
# GoCertifi: SSL Certificates for Golang
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This Go package contains a CA bundle that you can reference in your Go code.
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This is useful for systems that do not have CA bundles that Golang can find
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itself, or where a uniform set of CAs is valuable.
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This is the same CA bundle that ships with the
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[Python Requests](https://github.com/kennethreitz/requests) library, and is a
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Golang specific port of [certifi](https://github.com/kennethreitz/certifi). The
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CA bundle is derived from Mozilla's canonical set.
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## Usage
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You can use the `gocertifi` package as follows:
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```go
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import "github.com/certifi/gocertifi"
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certPool, err := gocertifi.CACerts()
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```
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You can use the returned `*x509.CertPool` as part of an HTTP transport, for example:
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```go
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import (
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"net/http"
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"crypto/tls"
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)
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// Setup an HTTP client with a custom transport
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transport := &http.Transport{
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Proxy: ProxyFromEnvironment,
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DialContext: (&net.Dialer{
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Timeout: 30 * time.Second,
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KeepAlive: 30 * time.Second,
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DualStack: true,
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}).DialContext,
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ForceAttemptHTTP2: true,
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MaxIdleConns: 100,
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IdleConnTimeout: 90 * time.Second,
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TLSHandshakeTimeout: 10 * time.Second,
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ExpectContinueTimeout: 1 * time.Second,
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}
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// or, starting with go1.13 simply use:
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// transport := http.DefaultTransport.(*http.Transport).Clone()
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transport.TLSClientConfig = &tls.Config{RootCAs: certPool}
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client := &http.Client{Transport: transport}
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// Make an HTTP request using our custom transport
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resp, err := client.Get("https://example.com")
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```
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## Detailed Documentation
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Import as follows:
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```go
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import "github.com/certifi/gocertifi"
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```
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### Functions
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```go
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func CACerts() (*x509.CertPool, error)
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```
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CACerts builds an X.509 certificate pool containing the Mozilla CA Certificate
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bundle. This can't actually error and always returns successfully with `nil`
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as the error. This will be replaced in `v2` to only return the `CertPool`.
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