(Swift 3,4,5...) Azure Key Vault Import Certificate

See more Azure Key Vault Examples

Imports a certificate into a specified Azure key vault.

Imports an existing valid certificate, containing a private key, into Azure Key Vault. The certificate to be imported can be in either PFX or PEM format. If the certificate is in PEM format the PEM file must contain the key as well as x509 certificates. Key Vault will only accept a key in PKCS#8 format.

Note: This example requires Chilkat v9.5.0.96 or later.

For more information, see https://learn.microsoft.com/en-us/rest/api/keyvault/certificates/import-certificate/import-certificate?tabs=HTTP

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func chilkatTest() {
    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // See Azure Key Vault Get Certificates for a more detailed explanation
    // for how Chilkat is automatically getting the OAuth2 access token for your application.

    // Provide information needed for Chilkat to automatically get an OAuth2 access token as needed.
    let json = CkoJsonObject()!
    json.update("client_id", value: "APP_ID")
    json.update("client_secret", value: "APP_PASSWORD")
    json.update("resource", value: "https://vault.azure.net")
    json.update("token_endpoint", value: "https://login.microsoftonline.com/TENANT_ID/oauth2/token")

    // Note: This example is using a relative file path.  You can also specify a full file path, such as "C:/someDir/myCertAndKey.pfx"
    // or a file path the makes sense on non-Windows operating systems..
    var pfxFilePath: String? = "qa_data/pfx/myCertAndKey.pfx"

    // Load the PFX file to be imported to the Azure Key Vault.
    let bdPfx = CkoBinData()!
    var success: Bool = bdPfx.loadFile(pfxFilePath)
    if success == false {
        print("Failed to load the PFX file.")
        return
    }

    // We'll be sending a POST request like this:

    // POST https://myvault.vault.azure.net//certificates/importCert01/import?api-version=7.4
    // 
    // {
    //   "value": "MIIJ...",
    //   "pwd": "123",
    //   "policy": {
    //     "key_props": {
    //       "exportable": true,
    //       "kty": "RSA",
    //       "key_size": 2048,
    //       "reuse_key": false
    //     },
    //     "secret_props": {
    //       "contentType": "application/x-pkcs12"
    //     }
    //   }
    // }

    // Also load the PFX into the Chilkat certificate object so we can get
    // information about the key type and size.
    let cert = CkoCert()!
    success = cert.loadPfxFile(pfxFilePath, password: "pfx_password")
    if success == false {
        print("\(cert.lastErrorText!)")
        return
    }

    var privKey: CkoPrivateKey? = cert.exportPrivateKey()
    if cert.lastMethodSuccess == false {
        print("The certificate does not have a private key.")
        return
    }

    // Get the private key as a JWK so we can get information about it..
    let jwk = CkoJsonObject()!
    jwk.load(privKey!.getJwk())

    // Get the key type
    let sbKty = CkoStringBuilder()!
    sbKty.append(jwk.string(of: "kty"))

    // If this is an EC key, get the curve name
    let sbCurve = CkoStringBuilder()!
    if jwk.hasMember("crv") == true {
        sbCurve.append(jwk.string(of: "crv"))
    }

    // Build the JSON that will be the body of the HTTP POST.
    let jsonBody = CkoJsonObject()!
    jsonBody.update("value", value: bdPfx.getEncoded("base64"))
    jsonBody.update("pwd", value: "pfx_password")
    jsonBody.updateBool("policy.key_props.exportable", value: true)
    jsonBody.update("policy.key_props.kty", value: sbKty.getAsString())
    if sbKty.contentsEqual("RSA", caseSensitive: false) == true {
        jsonBody.updateInt("policy.key_props.key_size", value: privKey!.bitLength.intValue)
    }

    if sbKty.contentsEqual("EC", caseSensitive: false) == true {
        jsonBody.update("policy.key_props.crv", value: sbCurve.getAsString())
    }

    jsonBody.updateBool("policy.key_props.reuse_key", value: false)
    jsonBody.update("policy.secret_props.contentType", value: "application/x-pkcs12")

    privKey = nil

    let http = CkoHttp()!

    // Instead of providing an actual access token, we give Chilkat the information that allows it to 
    // automatically fetch the access token using the OAuth2 client credentials flow.
    http.authToken = json.emit()

    // Choose anything to be the name of your imported certificate.
    http.setUrlVar("certificateName", value: "importCert01")
    // Note: Replace "VAULT_NAME" with the name of your Azure key vault.
    var url: String? = "https://VAULT_NAME.vault.azure.net/certificates/{$certificateName}/import?api-version=7.4"
    var resp: CkoHttpResponse? = http.postJson3(url, contentType: "application/json", json: jsonBody)
    if http.lastMethodSuccess == false {
        // This means something failed before we got a response.
        print("\(http.lastErrorText!)")
        return
    }

    var statusCode: Int = resp!.statusCode.intValue

    let jsonResp = CkoJsonObject()!
    resp!.getBodyJson(jsonResp)
    resp = nil

    jsonResp.emitCompact = false
    print("\(jsonResp.emit()!)")

    if statusCode != 200 {
        print("Failed.")
        return
    }

    // A successful JSON response looks like this:

    // {
    //   "id": "https://kvchilkat.vault.azure.net/certificates/importCert01/7140c8755ed14839b5d86a9f7e7f0497",
    //   "kid": "https://kvchilkat.vault.azure.net/keys/importCert01/7140c8755ed14839b5d86a9f7e7f0497",
    //   "sid": "https://kvchilkat.vault.azure.net/secrets/importCert01/7140c8755ed14839b5d86a9f7e7f0497",
    //   "x5t": "I_e3776K5Q_6PN1HHvJoI2ZGQRQ",
    //   "cer": "MIIG ... jTsi7yIY=",
    //   "attributes": {
    //     "enabled": true,
    //     "nbf": 1633996800,
    //     "exp": 1728691199,
    //     "created": 1697411128,
    //     "updated": 1697411128,
    //     "recoveryLevel": "CustomizedRecoverable+Purgeable",
    //     "recoverableDays": 7
    //   },
    //   "policy": {
    //     "id": "https://kvchilkat.vault.azure.net/certificates/importCert01/policy",
    //     "key_props": {
    //       "exportable": true,
    //       "kty": "RSA",
    //       "key_size": 4096,
    //       "reuse_key": false
    //     },
    //     "secret_props": {
    //       "contentType": "application/x-pkcs12"
    //     },
    //     "x509_props": {
    //       "subject": "CN=\"Chilkat Software, Inc.\", O=\"Chilkat Software, Inc.\", S=Illinois, C=US",
    //       "ekus": [
    //         "1.3.6.1.5.5.7.3.3"
    //       ],
    //       "key_usage": [
    //         "digitalSignature"
    //       ],
    //       "validity_months": 37,
    //       "basic_constraints": {
    //         "ca": false
    //       }
    //     },
    //     "lifetime_actions": [
    //       {
    //         "trigger": {
    //           "lifetime_percentage": 80
    //         },
    //         "action": {
    //           "action_type": "EmailContacts"
    //         }
    //       }
    //     ],
    //     "issuer": {
    //       "name": "Unknown"
    //     },
    //     "attributes": {
    //       "enabled": true,
    //       "created": 1697411128,
    //       "updated": 1697411128
    //     }
    //   }
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    var strVal: String?
    var Lifetime_percentage: Int
    var Action_type: String?

    var id: String? = jsonResp.string(of: "id")
    var kid: String? = jsonResp.string(of: "kid")
    var sid: String? = jsonResp.string(of: "sid")
    var x5t: String? = jsonResp.string(of: "x5t")
    var cer: String? = jsonResp.string(of: "cer")
    var Enabled: Bool = jsonResp.bool(of: "attributes.enabled")
    var Nbf: Int = jsonResp.int(of: "attributes.nbf").intValue
    var Exp: Int = jsonResp.int(of: "attributes.exp").intValue
    var Created: Int = jsonResp.int(of: "attributes.created").intValue
    var Updated: Int = jsonResp.int(of: "attributes.updated").intValue
    var RecoveryLevel: String? = jsonResp.string(of: "attributes.recoveryLevel")
    var RecoverableDays: Int = jsonResp.int(of: "attributes.recoverableDays").intValue
    var Id: String? = jsonResp.string(of: "policy.id")
    var Exportable: Bool = jsonResp.bool(of: "policy.key_props.exportable")
    var Kty: String? = jsonResp.string(of: "policy.key_props.kty")
    var Key_size: Int = jsonResp.int(of: "policy.key_props.key_size").intValue
    var Reuse_key: Bool = jsonResp.bool(of: "policy.key_props.reuse_key")
    var ContentType: String? = jsonResp.string(of: "policy.secret_props.contentType")
    var Subject: String? = jsonResp.string(of: "policy.x509_props.subject")
    var Validity_months: Int = jsonResp.int(of: "policy.x509_props.validity_months").intValue
    var Ca: Bool = jsonResp.bool(of: "policy.x509_props.basic_constraints.ca")
    var Name: String? = jsonResp.string(of: "policy.issuer.name")
    var AttributesEnabled: Bool = jsonResp.bool(of: "policy.attributes.enabled")
    var AttributesCreated: Int = jsonResp.int(of: "policy.attributes.created").intValue
    var AttributesUpdated: Int = jsonResp.int(of: "policy.attributes.updated").intValue
    var i: Int = 0
    var count_i: Int = jsonResp.size(ofArray: "policy.x509_props.ekus").intValue
    while i < count_i {
        jsonResp.i = i
        strVal = jsonResp.string(of: "policy.x509_props.ekus[i]")
        i = i + 1
    }

    i = 0
    count_i = jsonResp.size(ofArray: "policy.x509_props.key_usage").intValue
    while i < count_i {
        jsonResp.i = i
        strVal = jsonResp.string(of: "policy.x509_props.key_usage[i]")
        i = i + 1
    }

    i = 0
    count_i = jsonResp.size(ofArray: "policy.lifetime_actions").intValue
    while i < count_i {
        jsonResp.i = i
        Lifetime_percentage = jsonResp.int(of: "policy.lifetime_actions[i].trigger.lifetime_percentage").intValue
        Action_type = jsonResp.string(of: "policy.lifetime_actions[i].action.action_type")
        i = i + 1
    }


}