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eec406b739
* Add scaffolding * Move migration * Add endpoints for gitauth * Add configuration files and tests! * Update typesgen * Convert configuration format for git auth * Fix unclosed database conn * Add overriding VS Code configuration * Fix Git screen * Write VS Code special configuration if providers exist * Enable automatic cloning from VS Code * Add tests for gitaskpass * Fix feature visibiliy * Add banner for too many configurations * Fix update loop for oauth token * Jon comments * Add deployment config page
51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
package httpapi
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import (
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"regexp"
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"strings"
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"github.com/moby/moby/pkg/namesgenerator"
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"golang.org/x/xerrors"
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)
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var (
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UsernameValidRegex = regexp.MustCompile("^[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*$")
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usernameReplace = regexp.MustCompile("[^a-zA-Z0-9-]*")
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)
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// UsernameValid returns whether the input string is a valid username.
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func UsernameValid(str string) error {
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if len(str) > 32 {
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return xerrors.New("must be <= 32 characters")
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}
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if len(str) < 1 {
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return xerrors.New("must be >= 1 character")
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}
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matched := UsernameValidRegex.MatchString(str)
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if !matched {
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return xerrors.New("must be alphanumeric with hyphens")
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}
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return nil
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}
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// UsernameFrom returns a best-effort username from the provided string.
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//
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// It first attempts to validate the incoming string, which will
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// be returned if it is valid. It then will attempt to extract
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// the username from an email address. If no success happens during
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// these steps, a random username will be returned.
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func UsernameFrom(str string) string {
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if valid := UsernameValid(str); valid == nil {
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return str
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}
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emailAt := strings.LastIndex(str, "@")
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if emailAt >= 0 {
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str = str[:emailAt]
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}
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str = usernameReplace.ReplaceAllString(str, "")
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if valid := UsernameValid(str); valid == nil {
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return str
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}
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return strings.ReplaceAll(namesgenerator.GetRandomName(1), "_", "-")
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}
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