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77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
#include <HTTPClient.h>
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#include <SPIFFS.h>
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#include "download.h"
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#include "device.h"
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#include "esp_task_wdt.h"
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bool downloadFile(String url, const char *path, const char *CAcert)
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{
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// @note duration time: 200kb = 35sec write to flash
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Serial.println("Download file: " + url);
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// tmp file
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bool hasError = false;
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String tmpFile = path;
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tmpFile += ".tmp";
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// track duration
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long startMills = millis();
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File file = SPIFFS.open(tmpFile, FILE_WRITE);
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if (!file)
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{
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Serial.println("Failed to open file for writing");
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return false;
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}
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HTTPClient http;
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http.useHTTP10(true); // http1.1 chunked is not working correctly
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http.setTimeout(7000);
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http.setUserAgent("paperdash-epd");
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// use the last 8 bytes of the unique serial id
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http.addHeader("X-PaperDash-Id", DeviceId);
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if (CAcert)
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{
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http.begin(url, CAcert);
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}
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else
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{
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http.begin(url);
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}
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int httpCode = http.GET();
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if (httpCode != HTTP_CODE_OK)
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{
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Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
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hasError = true;
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}
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else
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{
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// reset watchdog, is necessary if this method is running on second cpu core
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esp_task_wdt_reset();
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http.writeToStream(&file);
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if (file)
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{
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file.close();
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SPIFFS.remove(path);
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SPIFFS.rename(tmpFile, path);
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}
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Serial.print("download completed in: ");
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Serial.println(millis() - startMills);
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}
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// clean up
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http.end();
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return !hasError;
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}
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bool downloadFile(String url, const char *path)
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{
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return downloadFile(url, path, NULL);
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} |