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85 lines
2.3 KiB
85 lines
2.3 KiB
#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include "str_init.h"
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#include "str_replace_start.h"
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#define LIBRE_N 50
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/* Uncomment for debug */
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/* #define DEBUG */
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/* Inspired by https://libredirect.github.io/, but in C. */
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int libre_redirect(const char* uri, char* output)
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{
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int l1 = strlen(uri);
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int l2 = strlen(output);
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int len;
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char tmp_uri[l2++];
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char tmp_output[l2++];
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if ((l2 - l1) < LIBRE_N) {
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#ifdef DEBUG
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printf("Not enough memory\n");
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#endif
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return 1; // not enough memory.
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} else {
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strcpy(tmp_uri, uri); // strcpy also copies the terminating '\0'
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strcpy(tmp_output, output);
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char* annoying_sites[] = {
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"https://www.reddit.com",
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"https://www.youtube.com",
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"https://google.com",
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"https://medium.com",
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"https://translate.google.com",
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"https://www.bloomberg.com",
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"https://www.royalroad.com",
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"https://genius.com",
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// "https://archive.org",
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// "https://twitter.com"
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};
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char* alternatives[] = {
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"https://old.reddit.com", // "https://teddit.nunosempere.com",
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"https://invidious.private.coffee",
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"https://search.nunosempere.com",
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"https://scribe.rip",
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"https://translate.riverside.rocks",
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"https://archive.is/https://www.bloomberg.com",
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"https://royalread.nunosempere.com",
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"https://dumb.vern.cc",
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// "https://wayback.nunosempere.com",
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// "https://nitter.net"
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};
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len = sizeof(annoying_sites) / sizeof(annoying_sites[0]);
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for (int i = 0; i < len; i++) {
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int replace_check = str_replace_start(tmp_uri, annoying_sites[i],
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alternatives[i], output);
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if (replace_check == 2) {
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#ifdef DEBUG
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printf("tmp_uri: %s\n", tmp_uri);
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printf("output: %s\n", output);
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#endif
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return 2;
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} else if (replace_check == 1) {
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#ifdef DEBUG
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printf("replace_check failed\n");
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#endif
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return 1;
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}
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strcpy(tmp_uri, output);
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str_init(output, l2);
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}
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strcpy(output, tmp_uri);
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}
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#ifdef DEBUG
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printf("No match found\n\n");
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#endif
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return 0;
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}
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