diff options
Diffstat (limited to 'debian/vendor-h2o/lib/handler/configurator/compress.c')
| -rw-r--r-- | debian/vendor-h2o/lib/handler/configurator/compress.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/debian/vendor-h2o/lib/handler/configurator/compress.c b/debian/vendor-h2o/lib/handler/configurator/compress.c new file mode 100644 index 0000000..c023dd5 --- /dev/null +++ b/debian/vendor-h2o/lib/handler/configurator/compress.c @@ -0,0 +1,172 @@ +/* + * Copyright (c) 2015 DeNA Co., Ltd., Kazuho Oku + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ +#include "h2o.h" +#include "h2o/configurator.h" + +#define DEFAULT_GZIP_QUALITY 1 +#define DEFAULT_BROTLI_QUALITY 1 + +struct compress_configurator_t { + h2o_configurator_t super; + h2o_compress_args_t *vars, _vars_stack[H2O_CONFIGURATOR_NUM_LEVELS + 1]; +}; + +static const h2o_compress_args_t all_off = {0, {-1}, {-1}}, all_on = {100, {DEFAULT_GZIP_QUALITY}, {DEFAULT_BROTLI_QUALITY}}; + +static int on_config_gzip(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) +{ + struct compress_configurator_t *self = (void *)cmd->configurator; + int mode; + + if ((mode = (int)h2o_configurator_get_one_of(cmd, node, "OFF,ON")) == -1) + return -1; + + *self->vars = all_off; + if (mode != 0) + self->vars->gzip.quality = DEFAULT_GZIP_QUALITY; + + return 0; +} + +static int obtain_quality(yoml_t *node, int min_quality, int max_quality, int default_quality, int *slot) +{ + int tmp; + if (node->type != YOML_TYPE_SCALAR) + return -1; + if (strcasecmp(node->data.scalar, "OFF") == 0) { + *slot = -1; + return 0; + } + if (strcasecmp(node->data.scalar, "ON") == 0) { + *slot = default_quality; + return 0; + } + if (sscanf(node->data.scalar, "%d", &tmp) == 1 && (min_quality <= tmp && tmp <= max_quality)) { + *slot = tmp; + return 0; + } + return -1; +} + +static int on_config_compress_min_size(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) +{ + struct compress_configurator_t *self = (void *)cmd->configurator; + return h2o_configurator_scanf(cmd, node, "%zu", &self->vars->min_size); +} + +static int on_config_compress(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) +{ + struct compress_configurator_t *self = (void *)cmd->configurator; + size_t i; + + switch (node->type) { + case YOML_TYPE_SCALAR: + if (strcasecmp(node->data.scalar, "OFF") == 0) { + *self->vars = all_off; + } else if (strcasecmp(node->data.scalar, "ON") == 0) { + *self->vars = all_on; + } else { + h2o_configurator_errprintf(cmd, node, "scalar argument must be either of: `OFF`, `ON`"); + return -1; + } + break; + case YOML_TYPE_SEQUENCE: + *self->vars = all_off; + for (i = 0; i != node->data.sequence.size; ++i) { + yoml_t *element = node->data.sequence.elements[i]; + if (element->type == YOML_TYPE_SCALAR && strcasecmp(element->data.scalar, "gzip") == 0) { + self->vars->gzip.quality = DEFAULT_GZIP_QUALITY; + } else if (element->type == YOML_TYPE_SCALAR && strcasecmp(element->data.scalar, "br") == 0) { + self->vars->brotli.quality = DEFAULT_BROTLI_QUALITY; + } else { + h2o_configurator_errprintf(cmd, element, "element of the sequence must be either of: `gzip`, `br`"); + return -1; + } + } + break; + case YOML_TYPE_MAPPING: + *self->vars = all_off; + for (i = 0; i != node->data.mapping.size; ++i) { + yoml_t *key = node->data.mapping.elements[i].key; + yoml_t *value = node->data.mapping.elements[i].value; + if (key->type == YOML_TYPE_SCALAR && strcasecmp(key->data.scalar, "gzip") == 0) { + if (obtain_quality(value, 1, 9, DEFAULT_GZIP_QUALITY, &self->vars->gzip.quality) != 0) { + h2o_configurator_errprintf( + cmd, value, "value of gzip attribute must be either of `OFF`, `ON` or an integer value between 1 and 9"); + return -1; + } + } else if (key->type == YOML_TYPE_SCALAR && strcasecmp(key->data.scalar, "br") == 0) { + if (obtain_quality(value, 0, 11, DEFAULT_BROTLI_QUALITY, &self->vars->brotli.quality) != 0) { + h2o_configurator_errprintf( + cmd, value, "value of br attribute must be either of `OFF`, `ON` or an integer between 0 and 11"); + return -1; + } + } else { + h2o_configurator_errprintf(cmd, key, "key must be either of: `gzip`, `br`"); + return -1; + } + } + break; + default: + h2o_fatal("unexpected node type"); + break; + } + + return 0; +} + +static int on_config_enter(h2o_configurator_t *configurator, h2o_configurator_context_t *ctx, yoml_t *node) +{ + struct compress_configurator_t *self = (void *)configurator; + + ++self->vars; + self->vars[0] = self->vars[-1]; + return 0; +} + +static int on_config_exit(h2o_configurator_t *configurator, h2o_configurator_context_t *ctx, yoml_t *node) +{ + struct compress_configurator_t *self = (void *)configurator; + + if (ctx->pathconf != NULL && (self->vars->gzip.quality != -1 || self->vars->brotli.quality != -1)) + h2o_compress_register(ctx->pathconf, self->vars); + + --self->vars; + return 0; +} + +void h2o_compress_register_configurator(h2o_globalconf_t *conf) +{ + struct compress_configurator_t *c = (void *)h2o_configurator_create(conf, sizeof(*c)); + + c->super.enter = on_config_enter; + c->super.exit = on_config_exit; + h2o_configurator_define_command(&c->super, "compress", H2O_CONFIGURATOR_FLAG_ALL_LEVELS, on_config_compress); + h2o_configurator_define_command(&c->super, "compress-minimum-size", + H2O_CONFIGURATOR_FLAG_ALL_LEVELS | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, + on_config_compress_min_size); + h2o_configurator_define_command(&c->super, "gzip", H2O_CONFIGURATOR_FLAG_ALL_LEVELS | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, + on_config_gzip); + c->vars = c->_vars_stack; + c->vars->gzip.quality = -1; + c->vars->brotli.quality = -1; +} |