GopherProxy

	channel2tsv.c - frontends - front-ends for some sites (experiment)
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	---
	channel2tsv.c (1957B)
	---
	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 <unistd.h>
	12
	13 #include "https.h"
	14 #include "util.h"
	15 #include "youtube.h"
	16
	17 #define OUT(s) fputs((s), stdout)
	18 #define OUTESCAPE(s) printescape((s))
	19
	20 /* print: ignore control-characters */
	21 void
	22 printescape(const char *s)
	23 {
	24 for (; *s; ++s)
	25 if (!iscntrl((unsigned char)*s))
	26 fputc(*s, stdout);
	27 }
	28
	29 int
	30 render(struct search_response *r)
	31 {
	32 struct item *videos = r->items;
	33 size_t i;
	34
	35 if (pledge("stdio", NULL) == -1) {
	36 fprintf(stderr, "pledge: %s\n", strerror(errno));
	37 exit(1);
	38 }
	39
	40 for (i = 0; i < r->nitems; i++) {
	41 switch (videos[i].linktype) {
	42 case Channel:
	43 case Movie:
	44 case Playlist:
	45 continue;
	46 default:
	47 break;
	48 }
	49
	50 OUTESCAPE(videos[i].id);
	51 OUT("\t");
	52 if (videos[i].id[0]) {
	53 OUT("https://www.youtube.com/embed/");
	54 OUTESCAPE(videos[i].id);
	55 }
	56 OUT("\t");
	57 OUTESCAPE(videos[i].title);
	58 OUT("\t");
	59 OUTESCAPE(videos[i].publishedat);
	60 OUT("\t");
	61 OUTESCAPE(videos[i].viewcount);
	62 OUT("\t");
	63 OUTESCAPE(videos[i].duration);
	64 OUT("\n");
	65 }
	66
	67 return 0;
	68 }
	69
	70 static void
	71 usage(const char *argv0)
	72 {
	73 fprintf(stderr, "usage: %s <channelid>\n", argv0);
	74 exit(1);
	75 }
	76
	77 int
	78 main(int argc, char *argv[])
	79 {
	80 struct search_response *r;
	81 char channelid[1024];
	82
	83 if (pledge("stdio dns inet rpath unveil", NULL) == -1) {
	84 fprintf(stderr, "pledge: %s\n", strerror(errno));
	85 exit(1);
	86 }
	87 if (unveil(TLS_CA_CERT_FILE, "r") == -1) {
	88 fprintf(stderr, "unveil: %s\n", strerror(errno));
	89 exit(1);
	90 }
	91 if (unveil(NULL, NULL) == -1) {
	92 fprintf(stderr, "unveil: %s\n", strerror(errno));
	93 exit(1);
	94 }
	95
	96 if (argc < 2 \|\| !argv[1][0])
	97 usage(argv[0]);
	98 if (!uriencode(argv[1], channelid, sizeof(channelid)))
	99 usage(argv[0]);
	100
	101 r = youtube_channel_videos(channelid);
	102 if (!r \|\| r->nitems == 0)
	103 exit(1);
	104
	105 render(r);
	106
	107 return 0;
	108 }