HTTPS/Authenticated: Difference between revisions
Content added Content deleted
m (→{{header|Phix}}: fixed libheader) |
(Added Wren) |
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Debug.Print HttpReq.ResponseText |
Debug.Print HttpReq.ResponseText |
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End Sub</lang> |
End Sub</lang> |
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=={{header|Wren}}== |
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{{trans|C}} |
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{{libheader|libcurl}} |
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An embedded program so we can ask the C host to communicate with libcurl for us. |
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<lang ecmascript>/* https_authenticated.wren */ |
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var CURLOPT_URL = 10002 |
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var CURLOPT_FOLLOWLOCATION = 52 |
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var CURLOPT_ERRORBUFFER = 10010 |
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foreign class Curl { |
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construct easyInit() {} |
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foreign easySetOpt(opt, param) |
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foreign easyPerform() |
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foreign easyCleanup() |
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} |
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var curl = Curl.easyInit() |
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if (curl == 0) { |
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System.print("Error initializing cURL.") |
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return |
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} |
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curl.easySetOpt(CURLOPT_URL, "https://user:password@secure.example.com/") |
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curl.easySetOpt(CURLOPT_FOLLOWLOCATION, 1) |
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curl.easySetOpt(CURLOPT_ERRORBUFFER, 0) // buffer to be supplied by C |
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var status = curl.easyPerform() |
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if (status != 0) { |
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System.print("Failed to perform task.") |
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return |
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} |
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curl.easyCleanup()</lang> |
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<br> |
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We now embed this in the following C program, compile and run it. |
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<lang c>/* gcc https_authenticated.c -o https_authenticated -lcurl -lwren -lm */ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <curl/curl.h> |
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#include "wren.h" |
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/* C <=> Wren interface functions */ |
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void C_curlAllocate(WrenVM* vm) { |
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CURL** pcurl = (CURL**)wrenSetSlotNewForeign(vm, 0, 0, sizeof(CURL*)); |
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*pcurl = curl_easy_init(); |
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} |
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void C_easyPerform(WrenVM* vm) { |
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CURL* curl = *(CURL**)wrenGetSlotForeign(vm, 0); |
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CURLcode cc = curl_easy_perform(curl); |
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wrenSetSlotDouble(vm, 0, (double)cc); |
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} |
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void C_easyCleanup(WrenVM* vm) { |
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CURL* curl = *(CURL**)wrenGetSlotForeign(vm, 0); |
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curl_easy_cleanup(curl); |
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} |
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void C_easySetOpt(WrenVM* vm) { |
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CURL* curl = *(CURL**)wrenGetSlotForeign(vm, 0); |
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CURLoption opt = (CURLoption)wrenGetSlotDouble(vm, 1); |
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if (opt < 10000) { |
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long lparam = (long)wrenGetSlotDouble(vm, 2); |
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curl_easy_setopt(curl, opt, lparam); |
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} else { |
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if (opt == CURLOPT_URL) { |
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const char *url = wrenGetSlotString(vm, 2); |
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curl_easy_setopt(curl, opt, url); |
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} else if (opt == CURLOPT_ERRORBUFFER) { |
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char buffer[CURL_ERROR_SIZE]; |
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curl_easy_setopt(curl, opt, buffer); |
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} |
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} |
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} |
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WrenForeignClassMethods bindForeignClass(WrenVM* vm, const char* module, const char* className) { |
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WrenForeignClassMethods methods; |
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methods.allocate = NULL; |
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methods.finalize = NULL; |
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if (strcmp(module, "main") == 0) { |
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if (strcmp(className, "Curl") == 0) { |
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methods.allocate = C_curlAllocate; |
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} |
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} |
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return methods; |
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} |
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WrenForeignMethodFn bindForeignMethod( |
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WrenVM* vm, |
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const char* module, |
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const char* className, |
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bool isStatic, |
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const char* signature) { |
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if (strcmp(module, "main") == 0) { |
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if (strcmp(className, "Curl") == 0) { |
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if (!isStatic && strcmp(signature, "easySetOpt(_,_)") == 0) return C_easySetOpt; |
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if (!isStatic && strcmp(signature, "easyPerform()") == 0) return C_easyPerform; |
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if (!isStatic && strcmp(signature, "easyCleanup()") == 0) return C_easyCleanup; |
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} |
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} |
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return NULL; |
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} |
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static void writeFn(WrenVM* vm, const char* text) { |
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printf("%s", text); |
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} |
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void errorFn(WrenVM* vm, WrenErrorType errorType, const char* module, const int line, const char* msg) { |
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switch (errorType) { |
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case WREN_ERROR_COMPILE: |
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printf("[%s line %d] [Error] %s\n", module, line, msg); |
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break; |
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case WREN_ERROR_STACK_TRACE: |
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printf("[%s line %d] in %s\n", module, line, msg); |
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break; |
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case WREN_ERROR_RUNTIME: |
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printf("[Runtime Error] %s\n", msg); |
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break; |
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} |
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} |
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char *readFile(const char *fileName) { |
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FILE *f = fopen(fileName, "r"); |
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fseek(f, 0, SEEK_END); |
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long fsize = ftell(f); |
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rewind(f); |
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char *script = malloc(fsize + 1); |
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fread(script, 1, fsize, f); |
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fclose(f); |
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script[fsize] = 0; |
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return script; |
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} |
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int main(int argc, char **argv) { |
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WrenConfiguration config; |
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wrenInitConfiguration(&config); |
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config.writeFn = &writeFn; |
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config.errorFn = &errorFn; |
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config.bindForeignClassFn = &bindForeignClass; |
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config.bindForeignMethodFn = &bindForeignMethod; |
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WrenVM* vm = wrenNewVM(&config); |
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const char* module = "main"; |
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const char* fileName = "https_authenticated.wren"; |
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char *script = readFile(fileName); |
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WrenInterpretResult result = wrenInterpret(vm, module, script); |
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switch (result) { |
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case WREN_RESULT_COMPILE_ERROR: |
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printf("Compile Error!\n"); |
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break; |
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case WREN_RESULT_RUNTIME_ERROR: |
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printf("Runtime Error!\n"); |
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break; |
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case WREN_RESULT_SUCCESS: |
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break; |
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} |
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wrenFreeVM(vm); |
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free(script); |
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return 0; |
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}</lang> |
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=={{header|zkl}}== |
=={{header|zkl}}== |