GopherProxy

	cli.c - frontends - front-ends for some sites (experiment)
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	---
	cli.c (2498B)
	---
	1 #include <sys/socket.h>
	2 #include <sys/types.h>
	3
	4 #include <ctype.h>
	5 #include <errno.h>
	6 #include <netdb.h>
	7 #include <stdarg.h>
	8 #include <stdio.h>
	9 #include <stdlib.h>
	10 #include <string.h>
	11 #include <time.h>
	12 #include <unistd.h>
	13
	14 #include "https.h"
	15 #include "reddit.h"
	16 #include "util.h"
	17
	18 #define OUT(s) (fputs((s), stdout))
	19 #define OUTESCAPE(s) (printescape(s))
	20
	21 /* print: ignore control-characters */
	22 void
	23 printescape(const char *s)
	24 {
	25 for (; *s; ++s)
	26 if (!iscntrl((unsigned char)*s))
	27 fputc(*s, stdout);
	28 }
	29
	30 void
	31 printitem(struct item *item)
	32 {
	33 if (!item \|\| !item->title[0])
	34 return;
	35
	36 printf("title: %s\n", item->title);
	37 printf("url: %s\n", item->url);
	38 printf("subreddit: %s\n", item->subreddit);
	39 printf("author: %s\n", item->author);
	40 printf("thumbnail: %s\n", item->thumbnail);
	41 printf("ups: %ld\n", item->ups);
	42 printf("downs: %ld\n", item->downs);
	43 printf("num_comments: %ld\n", item->num_comments);
	44
	45 struct tm *tm = gmtime(&(item->created_utc));
	46 printf("created_utc: %lld\n", (long long)item->created_utc);
	47 printf("created_utc: %s", asctime(tm));
	48
	49 if (item->is_video) {
	50 printf("is_video: %d\n", item->is_video);
	51 printf("duration: %ld\n", item->duration);
	52 printf("dash_url: %s\n", item->dash_url);
	53 }
	54
	55 printf("===\n");
	56 }
	57
	58 int
	59 render(struct list_response *r)
	60 {
	61 size_t i;
	62
	63 if (pledge("stdio", NULL) == -1) {
	64 fprintf(stderr, "pledge: %s\n", strerror(errno));
	65 exit(1);
	66 }
	67
	68 for (i = 0; i < r->nitems; i++)
	69 printitem(&(r->items[i]));
	70
	71 if (r->before[0])
	72 printf("before pagination token: %s\n", r->before);
	73 if (r->after[0])
	74 printf("after pagination token: %s\n", r->after);
	75
	76 return 0;
	77 }
	78
	79 static void
	80 usage(const char *argv0)
	81 {
	82 fprintf(stderr, "usage: %s [subreddit]\n", argv0);
	83 exit(1);
	84 }
	85
	86 int
	87 main(int argc, char *argv[])
	88 {
	89 struct list_response *r;
	90 char subreddit[1024] = "";
	91
	92 if (pledge("stdio dns inet rpath unveil", NULL) == -1) {
	93 fprintf(stderr, "pledge: %s\n", strerror(errno));
	94 exit(1);
	95 }
	96 if (unveil(TLS_CA_CERT_FILE, "r") == -1) {
	97 fprintf(stderr, "unveil: %s\n", strerror(errno));
	98 exit(1);
	99 }
	100 if (unveil(NULL, NULL) == -1) {
	101 fprintf(stderr, "unveil: %s\n", strerror(errno));
	102 exit(1);
	103 }
	104
	105 if (argc > 1) {
	106 if (!uriencode(argv[1], subreddit, sizeof(subreddit)))
	107 usage(argv[0]);
	108 }
	109
	110 r = reddit_list(subreddit, 100, "", ""); /* TODO: pagination */
	111 if (!r \|\| r->nitems == 0) {
	112 OUT("No items found\n");
	113 exit(1);
	114 }
	115
	116 render(r);
	117
	118 return 0;
	119 }