1 files changed, 0 insertions, 119 deletions
diff --git a/snag/src/download_db.c b/snag/src/download_db.c
deleted file mode 100644
index e0aa85e..0000000
--- a/snag/src/download_db.c
+++ /dev/null
@@ -1,119 +0,0 @@
-#include "download_db.h"
-
-#include "util.h"
-
-#include <curl/curl.h>
-#include <openssl/evp.h>
-#include <openssl/sha.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
-// note: fixed location of download database for now
-const char download_db_path[] = "./var/snag/downloads";
-
-// libcrpyto context
-EVP_MD_CTX *mdctx = NULL;
-const EVP_MD *md = NULL;
-
-// curl context
-CURL *curl = NULL;
-
-static size_t download_write_callback(char* ptr, size_t size, size_t nmemb, void* usrdata) {
-	// write the curl data to the file in usr data
-	size_t written = fwrite(ptr, size, nmemb, (FILE *)usrdata);
-
-	// update the hash with the new data
-    EVP_DigestUpdate(mdctx, ptr, written);
-
-	return written;
-}
-
-bool package_get_download(package_info_t* pkg, package_download_t* download) {
-    memset(download, 0, sizeof(*download));
-
-	// construct path of download
-	// note(jqj): extension is fixed to tar gz until the switch out download
-	//            attrs for the swenu api download command which will specify
-	//            more information
-	char* download_path = vastrcat(download_db_path, "/", pkg->attrs.id, "-", pkg->attrs.version, ".tar.gz");
-
-	// return download if it already exists in database
-    if (access(download_path, F_OK) == 0) {
-		// todo(jqj): verify checksum anyway
-		download->download_path = download_path;
-		return true;
-    } else {
-		print("Downloading %s\n", pkg->attrs.source_url);
-	}
-
-	// initialize curl if it isn't already
-	if (curl == NULL) {
-		CURLcode result = curl_global_init(CURL_GLOBAL_ALL);
-		if (result != CURLE_OK) die("failed to initialize curl: %s", curl_easy_strerror(result));
-		curl = curl_easy_init(); // note(jqj): for now we reuse one easy curl object
-		if (curl == NULL) die("failed to initialize easy curl");
-
-		/* come back to this if we have init and deinit */
-		/* curl_easy_cleanup(curl); */
-		/* curl_global_cleanup(); */
-	}
-
-	// initialize libcrypto context if it isn't already
-	if (mdctx == NULL) {
-		mdctx = EVP_MD_CTX_new();
-		md = EVP_sha256();
-
-		/* come back to this if we have init and deinit */
-		/* EVP_MD_CTX_free(mdctx); */
-	}
-
-	// initialize up sha256 hash
-    EVP_DigestInit_ex(mdctx, md, NULL);
-
-	// open file for writing
-	FILE* download_file = fopen(download_path, "wb");
-	if (download_file == NULL) die("failed open download file for writing (%s): %s", download_path, strerror(errno));
-
-	// make curl request with url and output file
-	// callback writes to the file and feeds the hash
-	curl_easy_setopt(curl, CURLOPT_URL, pkg->attrs.source_url);
-	curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
-	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_write_callback);
-	curl_easy_setopt(curl, CURLOPT_WRITEDATA, download_file);
-	CURLcode result = curl_easy_perform(curl);
-	fclose(download_file);
-    if(result != CURLE_OK) {
-		// todo(jqj): handle better, maybe try again
-		print("failed to download package with curl: %s", curl_easy_strerror(result));
-		goto fail;
-	}
-
-	// get sha256 hash
-    unsigned char hash[SHA256_DIGEST_LENGTH];
-	unsigned int hash_len;
-    EVP_DigestFinal_ex(mdctx, hash, &hash_len);
-
-	// make hexadecimal string of sha256 hash
-	char hash_hex[SHA256_DIGEST_LENGTH * 2 + 1];
-	for(int i = 0; i < SHA256_DIGEST_LENGTH; i++) {
-        sprintf(hash_hex + i*2,"%02x", hash[i]);
-    }
-	hash_hex[SHA256_DIGEST_LENGTH * 2] = '\0';
-
-	// confirm that checksum matches
-	assert(pkg->attrs.source_checksum != NULL); 
-	if (strcmp(pkg->attrs.source_checksum, hash_hex) == 0) {
-		print("checksum verified for download: %s\n", hash_hex);
-		download->download_path = download_path;
-		return true;
-	} else {
-		print("FAIL: bad checksum for download: %s\n", hash_hex);
-		goto fail;
-	}
-
- fail:
-    if (access(download_path, F_OK) == 0) remove(download_path);
-	free(download_path);
-	return false;
-}