Display thumbnails, if available

This commit is contained in:
Xavier Del Campo Romero 2023-07-23 00:44:13 +02:00
parent 054dd374d3
commit 28336bcacf
Signed by: xavi
GPG Key ID: 84FF3612A9BF43F2
3 changed files with 177 additions and 21 deletions

60
main.c
View File

@ -714,10 +714,14 @@ static int search(const struct http_payload *const p,
const struct user_args *const args = user;
const struct auth *const a = args->a;
const char *const username = p->cookie.field, *const root = auth_dir(a);
struct page_search s = {0};
int (*f)(struct http_response *);
char *dir = NULL;
struct dynstr userd, d, res;
struct page_search s =
{
.username = username,
.adir = root
};
dynstr_init(&userd);
dynstr_init(&d);
@ -994,6 +998,8 @@ static int getnode(const struct http_payload *const p,
.r = r,
.args = p->args,
.n_args = p->n_args,
.username = username,
.adir = adir,
.dir = dir.str,
.root = root.str,
.res = d.str,
@ -2015,6 +2021,55 @@ end:
return ret;
}
static int getthumbnail(const struct http_payload *const p,
struct http_response *const r, void *const user)
{
int ret = -1;
const struct user_args *const ua = user;
const struct auth *const a = ua->a;
struct dynstr d, dir;
dynstr_init(&d);
dynstr_init(&dir);
if (auth_cookie(a, &p->cookie))
{
fprintf(stderr, "%s: auth_cookie failed\n", __func__);
ret = page_forbidden(r);
goto end;
}
const char *const adir = auth_dir(a);
if (!adir)
{
fprintf(stderr, "%s: auth_dir failed\n", __func__);
goto end;
}
else if (dynstr_append(&d, "%s%s", adir, p->resource))
{
fprintf(stderr, "%s: dynstr_append failed\n", __func__);
goto end;
}
else if (dynstr_dup(&dir, &d))
{
fprintf(stderr, "%s: dynstr_dup failed\n", __func__);
goto end;
}
else if (page_thumbnail(r, d.str))
{
fprintf(stderr, "%s: page_public failed\n", __func__);
goto end;
}
ret = 0;
end:
dynstr_free(&d);
dynstr_free(&dir);
return ret;
}
static void usage(char *const argv[])
{
fprintf(stderr, "%s [-F] [-t tmpdir] [-p port] dir\n", *argv);
@ -2247,7 +2302,8 @@ static int add_urls(struct handler *const h, void *const user)
{.url = "/upload", .op = HTTP_OP_POST, .f = upload},
{.url = "/mkdir", .op = HTTP_OP_POST, .f = createdir},
{.url = "/confirm/rm", .op = HTTP_OP_POST, .f = confirm_rm},
{.url = "/rm", .op = HTTP_OP_POST, .f = rm}
{.url = "/rm", .op = HTTP_OP_POST, .f = rm},
{.url = "/thumbnails/*", .op = HTTP_OP_GET, .f = getthumbnail}
};
for (size_t i = 0; i < sizeof urls / sizeof *urls; i++)

133
page.c
View File

@ -101,6 +101,67 @@ end:
return ret;
}
static int prepare_thumbnail(struct html_node *const n,
const struct stat *const sb, const struct page_resource *const pr,
const char *const name, const char *const sep)
{
int ret = -1;
struct html_node *img;
struct dynstr abs, rel;
struct stat tsb;
dynstr_init(&abs);
dynstr_init(&rel);
if (!S_ISREG(sb->st_mode))
{
ret = 0;
goto end;
}
else if (!pr->adir || !pr->username)
{
ret = 0;
goto end;
}
else if (dynstr_append(&rel, "/thumbnails/%s%s%s%s",
pr->username, pr->dir + strlen("/user"), sep, name))
{
fprintf(stderr, "%s: dynstr_append rel failed\n", __func__);
goto end;
}
else if (dynstr_append(&abs, "%s%s", pr->adir, rel.str))
{
fprintf(stderr, "%s: dynstr_append rel failed\n", __func__);
goto end;
}
else if (stat(abs.str, &tsb))
{
if (errno == ENOENT)
ret = 0;
else
fprintf(stderr, "%s: stat(2): %s\n", __func__, strerror(errno));
goto end;
}
else if (!(img = html_node_add_child(n, "img")))
{
fprintf(stderr, "%s: html_node_add_child failed\n", __func__);
goto end;
}
else if (html_node_add_attr(img, "src", rel.str))
{
fprintf(stderr, "%s: html_node_add_attr src failed\n", __func__);
goto end;
}
ret = 0;
end:
dynstr_free(&abs);
dynstr_free(&rel);
return ret;
}
static int prepare_name(struct html_node *const n, struct stat *const sb,
const char *const dir, const char *const name)
{
@ -338,19 +399,19 @@ end:
return ret;
}
static int add_element(struct html_node *const n, const char *const dir,
const char *const res, const char *const name, const bool chbx,
struct element_stats *const st)
static int add_element(struct html_node *const n,
const struct page_resource *const pr, const char *const name,
const bool chbx, struct element_stats *const st)
{
int ret = -1;
enum {RM_CHECKBOX, NAME, SIZE, DATE, SHARE, PREVIEW, COLUMNS};
enum {RM_CHECKBOX, THUMBNAIL, NAME, SIZE, DATE, SHARE, PREVIEW, COLUMNS};
struct html_node *tr, *td[COLUMNS];
struct dynstr path;
const char *const sep = res[strlen(res) - 1] != '/' ? "/" : "";
const char *const sep = pr->res[strlen(pr->res) - 1] != '/' ? "/" : "";
dynstr_init(&path);
if (dynstr_append(&path, "%s%s%s", res, sep, name))
if (dynstr_append(&path, "%s%s%s", pr->res, sep, name))
{
fprintf(stderr, "%s: dynstr_append failed\n", __func__);
goto end;
@ -392,7 +453,12 @@ static int add_element(struct html_node *const n, const char *const dir,
fprintf(stderr, "%s: prepare_rm_checkbox failed\n", __func__);
goto end;
}
else if (prepare_name(td[NAME], &sb, dir, name))
else if (prepare_thumbnail(td[THUMBNAIL], &sb, pr, name, sep))
{
fprintf(stderr, "%s: prepare_thumbnail failed\n", __func__);
goto end;
}
else if (prepare_name(td[NAME], &sb, pr->dir, name))
{
fprintf(stderr, "%s: prepare_name failed\n", __func__);
goto end;
@ -407,12 +473,12 @@ static int add_element(struct html_node *const n, const char *const dir,
fprintf(stderr, "%s: prepare_date failed\n", __func__);
goto end;
}
else if (prepare_share(td[SHARE], &sb, dir, name))
else if (prepare_share(td[SHARE], &sb, pr->dir, name))
{
fprintf(stderr, "%s: prepare_date failed\n", __func__);
goto end;
}
else if (prepare_preview(td[PREVIEW], &sb, dir, name))
else if (prepare_preview(td[PREVIEW], &sb, pr->dir, name))
{
fprintf(stderr, "%s: prepare_date failed\n", __func__);
goto end;
@ -1129,13 +1195,12 @@ end:
return ret;
}
static int add_elements(const char *const root, const char *const res,
const char *const dir, struct html_node *const table,
struct element_stats *const st)
static int add_elements(const struct page_resource *const pr,
struct html_node *const table, struct element_stats *const st)
{
int ret = -1;
struct dirent **pde = NULL;
const int n = scandir(res, &pde, NULL, alphasort);
const int n = scandir(pr->res, &pde, NULL, alphasort);
if (n < 0)
{
@ -1151,9 +1216,9 @@ static int add_elements(const char *const root, const char *const res,
const char *const name = de->d_name;
if (!strcmp(name, ".")
|| (!strcmp(name, "..") && !strcmp(root, res)))
|| (!strcmp(name, "..") && !strcmp(pr->root, pr->res)))
continue;
else if (add_element(table, dir, res, name, true, st))
else if (add_element(table, pr, name, true, st))
{
fprintf(stderr, "%s: add_element failed\n", __func__);
goto end;
@ -1220,7 +1285,7 @@ static int list_dir(const struct page_resource *const pr)
fprintf(stderr, "%s: resource_layout failed\n", __func__);
goto end;
}
else if (add_elements(pr->root, pr->res, pr->dir, table, &st))
else if (add_elements(pr, table, &st))
{
fprintf(stderr, "%s: read_elements failed\n", __func__);
goto end;
@ -1815,8 +1880,15 @@ static int add_search_results(struct html_node *const n,
for (size_t i = 0; i < s->n; i++)
{
const struct page_search_result *const r = &s->results[i];
const struct page_resource pr =
{
.dir = "/user/",
.adir = s->adir,
.username = s->username,
.res = s->root
};
if (add_element(table, "/user/", s->root, r->name, false, NULL))
if (add_element(table, &pr, r->name, false, NULL))
{
fprintf(stderr, "%s: add_element failed\n", __func__);
return -1;
@ -2232,3 +2304,30 @@ int page_head_resource(struct http_response *const r, const char *const res)
return 0;
}
int page_thumbnail(struct http_response *const r, const char *const res)
{
struct stat sb;
if (stat(res, &sb))
{
if (errno == ENOENT)
return page_not_found(r);
else
{
fprintf(stderr, "%s: stat(2) %s: %s\n",
__func__, res, strerror(errno));
return -1;
}
}
const mode_t m = sb.st_mode;
if (!S_ISREG(m))
{
fprintf(stderr, "%s: only regular files are supported\n", __func__);
return 1;
}
return serve_file(r, &sb, res, true);
}

5
page.h
View File

@ -13,7 +13,7 @@ struct page_quota
struct page_resource
{
struct http_response *r;
const char *dir, *root, *res;
const char *adir, *username, *dir, *root, *res;
const struct page_quota *q;
const struct http_arg *args;
size_t n_args;
@ -26,7 +26,7 @@ struct page_search
char *name;
} *results;
const char *root;
const char *root, *adir, *username;
size_t n;
bool limit_exceeded;
};
@ -50,5 +50,6 @@ int page_quota_exceeded(struct http_response *r, unsigned long long len,
unsigned long long quota);
int page_search(struct http_response *r, const struct page_search *s);
int page_rm(struct http_response *r, const struct page_rm *rm);
int page_thumbnail(struct http_response *r, const char *res);
#endif /* PAGE_H */