// 
// Decompiled by Procyon v0.6.0
// 

package io.sentry.util;

import java.util.Arrays;
import java.util.Iterator;
import java.util.ArrayList;
import java.util.Collections;
import org.jetbrains.annotations.Nullable;
import java.util.Enumeration;
import java.util.Locale;
import org.jetbrains.annotations.NotNull;
import io.sentry.HttpStatusCodeRange;
import java.util.List;
import org.jetbrains.annotations.ApiStatus;

@ApiStatus.Internal
public final class HttpUtils
{
    public static final String COOKIE_HEADER_NAME = "Cookie";
    private static final List<String> SENSITIVE_HEADERS;
    private static final List<String> SECURITY_COOKIES;
    private static final HttpStatusCodeRange CLIENT_ERROR_STATUS_CODES;
    private static final HttpStatusCodeRange SEVER_ERROR_STATUS_CODES;
    
    public static boolean containsSensitiveHeader(@NotNull final String header) {
        return HttpUtils.SENSITIVE_HEADERS.contains(header.toUpperCase(Locale.ROOT));
    }
    
    @Nullable
    public static List<String> filterOutSecurityCookiesFromHeader(@Nullable final Enumeration<String> headers, @Nullable final String headerName, @Nullable final List<String> additionalCookieNamesToFilter) {
        if (headers == null) {
            return null;
        }
        return filterOutSecurityCookiesFromHeader(Collections.list(headers), headerName, additionalCookieNamesToFilter);
    }
    
    @Nullable
    public static List<String> filterOutSecurityCookiesFromHeader(@Nullable final List<String> headers, @Nullable final String headerName, @Nullable final List<String> additionalCookieNamesToFilter) {
        if (headers == null) {
            return null;
        }
        if (headerName != null && !"Cookie".equalsIgnoreCase(headerName)) {
            return headers;
        }
        final ArrayList<String> filteredHeaders = new ArrayList<String>();
        for (final String header : headers) {
            filteredHeaders.add(filterOutSecurityCookies(header, additionalCookieNamesToFilter));
        }
        return filteredHeaders;
    }
    
    @Nullable
    public static String filterOutSecurityCookies(@Nullable final String cookieString, @Nullable final List<String> additionalCookieNamesToFilter) {
        if (cookieString == null) {
            return null;
        }
        try {
            final String[] cookies = cookieString.split(";", -1);
            final StringBuilder filteredCookieString = new StringBuilder();
            boolean isFirst = true;
            for (final String cookie : cookies) {
                if (!isFirst) {
                    filteredCookieString.append(";");
                }
                final String[] cookieParts = cookie.split("=", -1);
                final String cookieName = cookieParts[0];
                if (isSecurityCookie(cookieName.trim(), additionalCookieNamesToFilter)) {
                    filteredCookieString.append(cookieName + "=" + "[Filtered]");
                }
                else {
                    filteredCookieString.append(cookie);
                }
                isFirst = false;
            }
            return filteredCookieString.toString();
        }
        catch (final Throwable t) {
            return null;
        }
    }
    
    public static boolean isSecurityCookie(@NotNull final String cookieName, @Nullable final List<String> additionalCookieNamesToFilter) {
        final String cookieNameToSearchFor = cookieName.toUpperCase(Locale.ROOT);
        if (HttpUtils.SECURITY_COOKIES.contains(cookieNameToSearchFor)) {
            return true;
        }
        if (additionalCookieNamesToFilter != null) {
            for (final String additionalCookieName : additionalCookieNamesToFilter) {
                if (additionalCookieName.toUpperCase(Locale.ROOT).equals(cookieNameToSearchFor)) {
                    return true;
                }
            }
        }
        return false;
    }
    
    public static boolean isHttpClientError(final int statusCode) {
        return HttpUtils.CLIENT_ERROR_STATUS_CODES.isInRange(statusCode);
    }
    
    public static boolean isHttpServerError(final int statusCode) {
        return HttpUtils.SEVER_ERROR_STATUS_CODES.isInRange(statusCode);
    }
    
    static {
        SENSITIVE_HEADERS = Arrays.asList("X-FORWARDED-FOR", "AUTHORIZATION", "COOKIE", "SET-COOKIE", "X-API-KEY", "X-REAL-IP", "REMOTE-ADDR", "FORWARDED", "PROXY-AUTHORIZATION", "X-CSRF-TOKEN", "X-CSRFTOKEN", "X-XSRF-TOKEN");
        SECURITY_COOKIES = Arrays.asList("JSESSIONID", "JSESSIONIDSSO", "JSSOSESSIONID", "SESSIONID", "SID", "CSRFTOKEN", "XSRF-TOKEN");
        CLIENT_ERROR_STATUS_CODES = new HttpStatusCodeRange(400, 499);
        SEVER_ERROR_STATUS_CODES = new HttpStatusCodeRange(500, 599);
    }
}