diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/libre_redirect/libre_redirect.c | 133 | ||||
| -rw-r--r--[-rwxr-xr-x] | plugins/libre_redirect/libre_redirect.h | 5 | ||||
| -rw-r--r--[-rwxr-xr-x] | plugins/libre_redirect/str_replace_start.c | 13 | ||||
| -rw-r--r--[-rwxr-xr-x] | plugins/libre_redirect/str_replace_start.h | 8 | ||||
| -rwxr-xr-x | plugins/libre_redirect/str_replace_test/example | bin | 17040 -> 0 bytes | |||
| -rw-r--r-- | plugins/libre_redirect/str_replace_test/example.c | 24 | 
6 files changed, 96 insertions, 87 deletions
diff --git a/plugins/libre_redirect/libre_redirect.c b/plugins/libre_redirect/libre_redirect.c index b9da2b1..8650326 100644 --- a/plugins/libre_redirect/libre_redirect.c +++ b/plugins/libre_redirect/libre_redirect.c @@ -1,69 +1,84 @@ -#include "str_replace_start.h"  #include <string.h>  #include <stdio.h>  #include <stdbool.h> + +#include "str_replace_start.h" +  #define LIBRE_N 19 -#define DEBUG false + +/* Uncomment for debug */ +/* #define DEBUG */  /* Inspired by https://libredirect.github.io/, but in C. */ -void str_init(char* str, int n){ -  for(int i=0; i<n; i++){ -    str[i] = ' '; -  } -  str[n] = '\0'; +void str_init(char* str, int n) +{ +	for(int i = 0; i < n; i++) +		str[i] = ' '; +	str[n] = '\0';  } // could also use <https://manpages.ubuntu.com/manpages/impish/man3/strinit.3pub.html> -int libre_redirect(const char* uri, char* output){ -  int l1 = strlen(uri); -  int l2 = strlen(output); -   -  if((l2 - l1) < LIBRE_N){  -    if(DEBUG) printf("Not enough memory\n"); -    return 1; // not enough memory.  -  }else{ -    char tmp_uri[l2++]; -    char tmp_output[l2++]; -    strcpy(tmp_uri, uri); // strcpy also copies the terminating '\0' -    strcpy(tmp_output, output); -   -    char* annoying_sites[] = {  -      "https://www.youtube.com",  -      "https://www.reddit.com",  -      "https://medium.com",  -      "https://translate.google.com", -      "https://forum.effectivealtruism.org", -      "https://www.bloomberg.com", -      "https://twitter.com" -    }; -    char* alternatives[] = {  -      "https://yt.artemislena.eu",  -      "https://teddit.nunosempere.com",  -      "https://scribe.rip",  -      "https://simplytranslate.org/", -      "https://ea.greaterwrong.com", -      "https://archive.is/https://www.bloomberg.com", -      "https://nitter.net" -    }; -    int n = sizeof(annoying_sites)/sizeof(annoying_sites[0]); -    for(int i=0; i<n ; i++){ -      int replace_check = str_replace_start(tmp_uri, annoying_sites[i], alternatives[i], output); -      if(replace_check == 2){ -	if(DEBUG) printf("tmp_uri: %s\n", tmp_uri); -	if(DEBUG) printf("output: %s\n", output); -        // strcpy(output, tmp_uri); -        // break; -	return 2; -      }else if(replace_check == 1){ -        if(DEBUG) printf("replace_check failed\n"); -        return 1; -      } -      strcpy(tmp_uri, output); -      str_init(output, l2); -    } -    strcpy(output, tmp_uri); -  } -  if(DEBUG) printf("No match found\n\n"); -  return 0; -   +int libre_redirect(const char* uri, char* output) +{ +	int l1 = strlen(uri); +	int l2 = strlen(output); +	int len; +	char tmp_uri[l2++]; +	char tmp_output[l2++]; + +	if ((l2 - l1) < LIBRE_N) { +#ifdef DEBUG +	printf("Not enough memory\n"); +#endif +	return 1; // not enough memory. +	} else { +	strcpy(tmp_uri, uri); // strcpy also copies the terminating '\0' +	strcpy(tmp_output, output); + +	char* annoying_sites[] = { +		"https://www.youtube.com", +		"https://www.reddit.com", +		"https://medium.com", +		"https://translate.google.com", +		"https://forum.effectivealtruism.org", +		"https://www.bloomberg.com", +		"https://twitter.com" +	}; + +	char* alternatives[] = { +		"https://yt.artemislena.eu", +		"https://teddit.nunosempere.com", +		"https://scribe.rip", +		"https://simplytranslate.org/", +		"https://ea.greaterwrong.com", +		"https://archive.is/https://www.bloomberg.com", +		"https://nitter.net" +	}; + +	len = sizeof(annoying_sites) / sizeof(annoying_sites[0]); + +	for (int i = 0; i < len; i++) { +		int replace_check = str_replace_start(tmp_uri, annoying_sites[i], +						      alternatives[i], output); +		if (replace_check == 2) { +#ifdef DEBUG +			printf("tmp_uri: %s\n", tmp_uri); +			printf("output: %s\n", output); +#endif +			return 2; +		} else if (replace_check == 1) { +#ifdef DEBUG +			printf("replace_check failed\n"); +#endif +			return 1; +		} +		strcpy(tmp_uri, output); +		str_init(output, l2); +	} +	strcpy(output, tmp_uri); +	} +#ifdef DEBUG +	printf("No match found\n\n"); +#endif +	return 0;  } diff --git a/plugins/libre_redirect/libre_redirect.h b/plugins/libre_redirect/libre_redirect.h index aee42f4..150c95e 100755..100644 --- a/plugins/libre_redirect/libre_redirect.h +++ b/plugins/libre_redirect/libre_redirect.h @@ -1,9 +1,6 @@ -#ifndef LIBRE_REDIRECT -#define LIBRE_REDIRECT +#pragma once  #define LIBRE_N 19  int libre_redirect(const char* uri, char* uri_filtered);  void str_init(char* str, int n); - -#endif diff --git a/plugins/libre_redirect/str_replace_start.c b/plugins/libre_redirect/str_replace_start.c index 74bff65..6bdfc69 100755..100644 --- a/plugins/libre_redirect/str_replace_start.c +++ b/plugins/libre_redirect/str_replace_start.c @@ -1,28 +1,29 @@  #include <string.h>  #include <stdbool.h>  #include <stdio.h> +  #define DEBUG false  /* -See also:  +See also:  * <https://web.archive.org/web/20160201212501/coding.debuntu.org/c-implementing-str_replace-replace-all-occurrences-substring>  * https://github.com/irl/la-cucina/blob/master/str_replace.c  */ -int str_replace_start(const char* string, const char* target, const char* replacement, char* output){ -   +int str_replace_start(const char* string, const char* target, const char* replacement, char* output) +{    int l1 = strlen(string);    int l2 = strlen(target);    int l3 = strlen(replacement);    int l4 = strlen(output);    if(DEBUG) printf("%d,%d,%d,%d\n", l1, l2, l3, l4);    // if(DEBUG) printf("%s,%s,%s,%s\n", string, target, replacement, output); -   +    if((l4 < (l1 - l2 + l3)) || l4 < l1 ){      // Not enough memory in output string.      if(DEBUG) printf("String not long enough.\n"); -    return 1;  -  }  +    return 1; +  }    /* else if(l1 < l2){      // Not even possible that there is a match.      if(DEBUG) printf("Target larger than string.\n"); diff --git a/plugins/libre_redirect/str_replace_start.h b/plugins/libre_redirect/str_replace_start.h index d9f1235..78c79b5 100755..100644 --- a/plugins/libre_redirect/str_replace_start.h +++ b/plugins/libre_redirect/str_replace_start.h @@ -1,6 +1,4 @@ -#ifndef STR_REPLACE_H_ -#define STR_REPLACE_H_ +#pragma once -int str_replace_start(const char* string, const char* target, const char* replacement, char* output); - -#endif +int str_replace_start(const char* string, const char* target, +		      const char* replacement, char* output); diff --git a/plugins/libre_redirect/str_replace_test/example b/plugins/libre_redirect/str_replace_test/example Binary files differdeleted file mode 100755 index 4e80ab8..0000000 --- a/plugins/libre_redirect/str_replace_test/example +++ /dev/null diff --git a/plugins/libre_redirect/str_replace_test/example.c b/plugins/libre_redirect/str_replace_test/example.c index 32285bd..303665e 100644 --- a/plugins/libre_redirect/str_replace_test/example.c +++ b/plugins/libre_redirect/str_replace_test/example.c @@ -3,18 +3,16 @@  #include <stdio.h>  int main(){ -  char uri[] = "https://reddit.com/r/blah"; -   -  int l = LIBRE_N + strlen(uri) + 1; -  char uri_filtered[l]; -  str_init(uri_filtered, l); - -  if(!libre_redirect(uri, uri_filtered)){ -    printf("Filtered uri: %s\n", uri_filtered); -  }else{ -    printf("Uri: %s\n", uri); -    // failure; do something with the original uri. -  } -} +	char uri[] = "https://reddit.com/r/blah"; +	int l = LIBRE_N + strlen(uri) + 1; +	char uri_filtered[l]; +	str_init(uri_filtered, l); +	if (!libre_redirect(uri, uri_filtered)) { +		printf("Filtered uri: %s\n", uri_filtered); +	} else { +		printf("Uri: %s\n", uri); +	// failure; do something with the original uri. +	} +}  | 
