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75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
// Copyright (c) The OpenTofu Authors
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// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2023 HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package method
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import (
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"fmt"
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"regexp"
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"github.com/hashicorp/hcl/v2"
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)
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// TODO is there a generalized way to regexp-check names?
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var addrRe = regexp.MustCompile(`^method\.([a-zA-Z_0-9-]+)\.([a-zA-Z_0-9-]+)$`)
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var nameRe = regexp.MustCompile("^([a-zA-Z_0-9-]+)$")
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var idRe = regexp.MustCompile("^([a-zA-Z_0-9-]+)$")
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// Addr is a type-alias for method address strings that identify a specific encryption method configuration.
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// The Addr is an opaque value. Do not perform string manipulation on it outside the functions supplied by the
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// method package.
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type Addr string
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// Validate validates the Addr for formal naming conformance, but does not check if the referenced method actually
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// exists in the configuration.
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func (a Addr) Validate() hcl.Diagnostics {
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if !addrRe.MatchString(string(a)) {
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return hcl.Diagnostics{
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&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "Invalid encryption method address",
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Detail: fmt.Sprintf(
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"The supplied encryption method address does not match the required form of %s",
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addrRe.String(),
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),
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},
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}
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}
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return nil
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}
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// NewAddr creates a new Addr type from the provider and name supplied. The Addr is a type-alias for encryption method
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// address strings that identify a specific encryption method configuration. You should treat the value as opaque and
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// not perform string manipulation on it outside the functions supplied by the method package.
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func NewAddr(method string, name string) (addr Addr, err hcl.Diagnostics) {
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if !nameRe.MatchString(method) {
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err = err.Append(
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&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "The provided encryption method type is invalid",
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Detail: fmt.Sprintf(
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"The supplied encryption method type (%s) does not match the required form of %s.",
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method,
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nameRe.String(),
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),
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},
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)
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}
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if !nameRe.MatchString(name) {
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err = err.Append(
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&hcl.Diagnostic{
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Severity: hcl.DiagError,
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Summary: "The provided encryption method name is invalid",
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Detail: fmt.Sprintf(
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"The supplied encryption method name (%s) does not match the required form of %s.",
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name,
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nameRe.String(),
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),
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},
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)
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}
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return Addr(fmt.Sprintf("method.%s.%s", method, name)), err
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}
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