com.netflix.spinnaker.clouddriver.artifacts.config.BaseHttpArtifactCredentials.java Source code

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Here is the source code for com.netflix.spinnaker.clouddriver.artifacts.config.BaseHttpArtifactCredentials.java

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/*
 * Copyright 2019 Google, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.netflix.spinnaker.clouddriver.artifacts.config;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.squareup.okhttp.*;
import lombok.extern.slf4j.Slf4j;

import java.io.IOException;
import java.util.Optional;

@Slf4j
public abstract class BaseHttpArtifactCredentials<T extends ArtifactAccount> {
    @JsonIgnore
    private final Headers headers;

    @JsonIgnore
    private final OkHttpClient okHttpClient;

    protected BaseHttpArtifactCredentials(OkHttpClient okHttpClient, T account) {
        this.okHttpClient = okHttpClient;
        this.headers = getHeaders(account);
    }

    private Optional<String> getAuthHeader(ArtifactAccount account) {
        Optional<String> authHeader = Optional.empty();

        if (account instanceof TokenAuth) {
            TokenAuth tokenAuth = (TokenAuth) account;
            authHeader = tokenAuth.getTokenAuthHeader();
        }

        if (!authHeader.isPresent() && account instanceof BasicAuth) {
            BasicAuth basicAuth = (BasicAuth) account;
            authHeader = basicAuth.getBasicAuthHeader();
        }
        return authHeader;
    }

    protected Headers getHeaders(T account) {
        Headers.Builder headers = new Headers.Builder();
        Optional<String> authHeader = getAuthHeader(account);
        if (authHeader.isPresent()) {
            headers.set("Authorization", authHeader.get());
            log.info("Loaded credentials for artifact account {}", account.getName());
        } else {
            log.info("No credentials included for artifact account {}", account.getName());
        }
        return headers.build();
    }

    protected HttpUrl parseUrl(String stringUrl) {
        HttpUrl httpUrl = HttpUrl.parse(stringUrl);
        if (httpUrl == null) {
            throw new IllegalArgumentException("Malformed URL: " + stringUrl);
        }
        return httpUrl;
    }

    protected ResponseBody fetchUrl(String url) throws IOException {
        return fetchUrl(parseUrl(url));
    }

    protected ResponseBody fetchUrl(HttpUrl url) throws IOException {
        Request request = new Request.Builder().headers(headers).url(url).build();

        Response downloadResponse = okHttpClient.newCall(request).execute();
        return downloadResponse.body();
    }
}