aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/at/hannibal2/skyhanni/utils/APIUtil.kt
blob: 46a0d7b579aee0962358769a5e5cc7099c335f64 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
package at.hannibal2.skyhanni.utils

import at.hannibal2.skyhanni.SkyHanniMod
import at.hannibal2.skyhanni.test.command.ErrorManager
import com.google.gson.JsonElement
import com.google.gson.JsonObject
import com.google.gson.JsonParser
import com.google.gson.JsonSyntaxException
import org.apache.http.HttpEntity
import org.apache.http.client.config.RequestConfig
import org.apache.http.client.methods.HttpGet
import org.apache.http.client.methods.HttpPost
import org.apache.http.entity.ContentType
import org.apache.http.entity.StringEntity
import org.apache.http.impl.client.HttpClientBuilder
import org.apache.http.impl.client.HttpClients
import org.apache.http.message.BasicHeader
import org.apache.http.util.EntityUtils
import java.io.BufferedReader
import java.io.File
import java.io.FileInputStream
import java.io.InputStreamReader
import java.nio.charset.StandardCharsets

object APIUtil {

    private val parser = JsonParser()
    private var showApiErrors = false

    data class ApiResponse(val success: Boolean, val message: String?, val data: JsonObject)

    private val builder: HttpClientBuilder =
        HttpClients.custom().setUserAgent("SkyHanni/${SkyHanniMod.version}")
            .setDefaultHeaders(
                mutableListOf(
                    BasicHeader("Pragma", "no-cache"),
                    BasicHeader("Cache-Control", "no-cache")
                )
            )
            .setDefaultRequestConfig(
                RequestConfig.custom()
                    .build()
            )
            .useSystemProperties()

    /**
     * TODO
     * make suspend
     * use withContext(Dispatchers.IO) { APIUtil.getJSONResponse(url) }.asJsonObject
     */
    fun getJSONResponse(urlString: String, silentError: Boolean = false) =
        getJSONResponseAsElement(urlString, silentError) as JsonObject

    fun getJSONResponseAsElement(
        urlString: String,
        silentError: Boolean = false,
        apiName: String = "Hypixel API",
    ): JsonElement {
        val client = builder.build()
        try {
            client.execute(HttpGet(urlString)).use { response ->
                val entity = response.entity
                if (entity != null) {
                    val retSrc = EntityUtils.toString(entity)
                    try {
                        return parser.parse(retSrc)
                    } catch (e: JsonSyntaxException) {
                        if (e.message?.contains("Use JsonReader.setLenient(true)") == true) {
                            println("MalformedJsonException: Use JsonReader.setLenient(true)")
                            println(" - getJSONResponse: '$urlString'")
                            ChatUtils.debug("MalformedJsonException: Use JsonReader.setLenient(true)")
                        } else if (retSrc.contains("<center><h1>502 Bad Gateway</h1></center>")) {
                            if (showApiErrors && apiName == "Hypixel API") {
                                ChatUtils.clickableChat(
                                    "Problems with detecting the Hypixel API. §eClick here to hide this message for now.",
                                    onClick = {
                                        toggleApiErrorMessages()
                                    }
                                )
                            }
                            ErrorManager.logErrorWithData(
                                e, "502 Bad Gateway",
                                "apiName" to apiName,
                                "urlString" to urlString,
                                "returnedData" to retSrc
                            )
                        } else {
                            ErrorManager.logErrorWithData(
                                e, "$apiName error",
                                "apiName" to apiName,
                                "urlString" to urlString,
                                "returnedData" to retSrc
                            )
                        }
                    }
                }
            }
        } catch (throwable: Throwable) {
            if (silentError) {
                throw throwable
            } else {
                ErrorManager.logErrorWithData(
                    throwable, "$apiName error for url: '$urlString'",
                    "apiName" to apiName,
                    "urlString" to urlString,
                )
            }
        } finally {
            client.close()
        }
        return JsonObject()
    }

    fun postJSON(urlString: String, body: String, silentError: Boolean = false): ApiResponse {
        val client = builder.build()

        try {
            val method = HttpPost(urlString)
            method.entity = StringEntity(body, ContentType.APPLICATION_JSON)

            client.execute(method).use { response ->
                val status = response.statusLine
                val entity = response.entity

                if (status.statusCode in 200..299) {
                    val data = readResponse(entity)
                    return ApiResponse(true, "Request successful", data)
                }

                val message = "POST request to '$urlString' returned status ${status.statusCode}"
                ErrorManager.logErrorStateWithData(
                    "Error communicating with API", "APIUtil POST request returned an error code",
                    "statusCode" to status.statusCode,
                    "urlString" to urlString,
                    "body" to body,
                )
                return ApiResponse(false, message, JsonObject())
            }
        } catch (throwable: Throwable) {
            if (silentError) {
                throw throwable
            }
            ErrorManager.logErrorWithData(
                throwable, "SkyHanni ran into an ${throwable::class.simpleName ?: "error"} whilst sending a resource",
                "urlString" to urlString,
                "body" to body,
            )
            return ApiResponse(false, throwable.message, JsonObject())
        } finally {
            client.close()
        }
    }

    private fun readResponse(entity: HttpEntity): JsonObject {
        val retSrc = EntityUtils.toString(entity) ?: return JsonObject()
        val parsed = parser.parse(retSrc)
        if (parsed.isJsonNull) return JsonObject()
        return parsed as JsonObject
    }

    fun postJSONIsSuccessful(url: String, body: String, silentError: Boolean = false): Boolean {
        val response = postJSON(url, body, silentError)

        if (response.success) {
            return true
        }

        ErrorManager.logErrorStateWithData(
            "An error occurred during the API request",
            "unsuccessful API response",
            "url" to url,
            "body" to body,
            "message" to response.message,
            "response" to response,
        )

        return false
    }

    fun readFile(file: File): BufferedReader {
        return BufferedReader(InputStreamReader(FileInputStream(file), StandardCharsets.UTF_8))
    }

    fun toggleApiErrorMessages() {
        showApiErrors = !showApiErrors
        ChatUtils.chat("Hypixel API error messages " + if (showApiErrors) "§chidden" else "§ashown")
    }
}